Home / 28,792,176.28-39,733,206.18-15,739,493.56

Finding the Fourth Proportional to 28,792,176.28, 39,733,206.18 and 15,739,493.56

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Solution

The fourth proportional to 28,792,176.28, 39,733,206.18 and 15,739,493.56 is: 21,720,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792,176.28 : 39,733,206.18 = 15,739,493.56 : x
  2. Step 2: Convert to fraction form
    28,792,176.28/39,733,206.18 = 15,739,493.56/x
  3. Step 3: Cross multiply
    28,792,176.28x = 39,733,206.18 × 15,739,493.56
  4. Step 4: Simplify right side
    28,792,176.28x = 625,380,542,788,262.25
  5. Step 5: Solve for x
    x = 625,380,542,788,262.25/28,792,176.28
  6. Step 6: Final answer
    x = 21,720,502.71

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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.