Home / 27,337.74-37,725.66-15,402.21

Finding the Fourth Proportional to 27,337.74, 37,725.66 and 15,402.21

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Solution

The fourth proportional to 27,337.74, 37,725.66 and 15,402.21 is: 21,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,337.74 : 37,725.66 = 15,402.21 : x
  2. Step 2: Convert to fraction form
    27,337.74/37,725.66 = 15,402.21/x
  3. Step 3: Cross multiply
    27,337.74x = 37,725.66 × 15,402.21
  4. Step 4: Simplify right side
    27,337.74x = 581,058,537.71
  5. Step 5: Solve for x
    x = 581,058,537.71/27,337.74
  6. Step 6: Final answer
    x = 21,254.81

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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.