Home / 28,058.88-38,721.06-15,483.66

Finding the Fourth Proportional to 28,058.88, 38,721.06 and 15,483.66

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Solution

The fourth proportional to 28,058.88, 38,721.06 and 15,483.66 is: 21,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.88 : 38,721.06 = 15,483.66 : x
  2. Step 2: Convert to fraction form
    28,058.88/38,721.06 = 15,483.66/x
  3. Step 3: Cross multiply
    28,058.88x = 38,721.06 × 15,483.66
  4. Step 4: Simplify right side
    28,058.88x = 599,543,727.88
  5. Step 5: Solve for x
    x = 599,543,727.88/28,058.88
  6. Step 6: Final answer
    x = 21,367.34

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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.