Home / 38,132.16-57,220.64-15,943.80

Finding the Fourth Proportional to 38,132.16, 57,220.64 and 15,943.80

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Solution

The fourth proportional to 38,132.16, 57,220.64 and 15,943.80 is: 23,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.16 : 57,220.64 = 15,943.80 : x
  2. Step 2: Convert to fraction form
    38,132.16/57,220.64 = 15,943.80/x
  3. Step 3: Cross multiply
    38,132.16x = 57,220.64 × 15,943.80
  4. Step 4: Simplify right side
    38,132.16x = 912,314,440.03
  5. Step 5: Solve for x
    x = 912,314,440.03/38,132.16
  6. Step 6: Final answer
    x = 23,925.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.