Home / 28,472.31-42,694.12-9,490.22

Finding the Fourth Proportional to 28,472.31, 42,694.12 and 9,490.22

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Solution

The fourth proportional to 28,472.31, 42,694.12 and 9,490.22 is: 14,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472.31 : 42,694.12 = 9,490.22 : x
  2. Step 2: Convert to fraction form
    28,472.31/42,694.12 = 9,490.22/x
  3. Step 3: Cross multiply
    28,472.31x = 42,694.12 × 9,490.22
  4. Step 4: Simplify right side
    28,472.31x = 405,176,484.77
  5. Step 5: Solve for x
    x = 405,176,484.77/28,472.31
  6. Step 6: Final answer
    x = 14,230.55

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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.