Home / 27,572.19-38,058.21-15,643.41

Finding the Fourth Proportional to 27,572.19, 38,058.21 and 15,643.41

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Solution

The fourth proportional to 27,572.19, 38,058.21 and 15,643.41 is: 21,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.19 : 38,058.21 = 15,643.41 : x
  2. Step 2: Convert to fraction form
    27,572.19/38,058.21 = 15,643.41/x
  3. Step 3: Cross multiply
    27,572.19x = 38,058.21 × 15,643.41
  4. Step 4: Simplify right side
    27,572.19x = 595,360,182.90
  5. Step 5: Solve for x
    x = 595,360,182.90/27,572.19
  6. Step 6: Final answer
    x = 21,592.78

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.