Home / 28,463.50-42,695.22-15,821.30

Finding the Fourth Proportional to 28,463.50, 42,695.22 and 15,821.30

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Solution

The fourth proportional to 28,463.50, 42,695.22 and 15,821.30 is: 23,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.50 : 42,695.22 = 15,821.30 : x
  2. Step 2: Convert to fraction form
    28,463.50/42,695.22 = 15,821.30/x
  3. Step 3: Cross multiply
    28,463.50x = 42,695.22 × 15,821.30
  4. Step 4: Simplify right side
    28,463.50x = 675,493,884.19
  5. Step 5: Solve for x
    x = 675,493,884.19/28,463.50
  6. Step 6: Final answer
    x = 23,731.93

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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.