Home / 28,592.68-42,901.31-13,812.69

Finding the Fourth Proportional to 28,592.68, 42,901.31 and 13,812.69

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Solution

The fourth proportional to 28,592.68, 42,901.31 and 13,812.69 is: 20,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.68 : 42,901.31 = 13,812.69 : x
  2. Step 2: Convert to fraction form
    28,592.68/42,901.31 = 13,812.69/x
  3. Step 3: Cross multiply
    28,592.68x = 42,901.31 × 13,812.69
  4. Step 4: Simplify right side
    28,592.68x = 592,582,495.62
  5. Step 5: Solve for x
    x = 592,582,495.62/28,592.68
  6. Step 6: Final answer
    x = 20,724.97

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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.