Home / 38,280.33-57,440.14-15,807.69

Finding the Fourth Proportional to 38,280.33, 57,440.14 and 15,807.69

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Solution

The fourth proportional to 38,280.33, 57,440.14 and 15,807.69 is: 23,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.33 : 57,440.14 = 15,807.69 : x
  2. Step 2: Convert to fraction form
    38,280.33/57,440.14 = 15,807.69/x
  3. Step 3: Cross multiply
    38,280.33x = 57,440.14 × 15,807.69
  4. Step 4: Simplify right side
    38,280.33x = 907,995,887.16
  5. Step 5: Solve for x
    x = 907,995,887.16/38,280.33
  6. Step 6: Final answer
    x = 23,719.65

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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.