Home / 28,370.97-42,476.45-15,013.71

Finding the Fourth Proportional to 28,370.97, 42,476.45 and 15,013.71

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Solution

The fourth proportional to 28,370.97, 42,476.45 and 15,013.71 is: 22,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.97 : 42,476.45 = 15,013.71 : x
  2. Step 2: Convert to fraction form
    28,370.97/42,476.45 = 15,013.71/x
  3. Step 3: Cross multiply
    28,370.97x = 42,476.45 × 15,013.71
  4. Step 4: Simplify right side
    28,370.97x = 637,729,027.06
  5. Step 5: Solve for x
    x = 637,729,027.06/28,370.97
  6. Step 6: Final answer
    x = 22,478.22

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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.