Home / 28,532.04-42,812.98-11,677.56

Finding the Fourth Proportional to 28,532.04, 42,812.98 and 11,677.56

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Solution

The fourth proportional to 28,532.04, 42,812.98 and 11,677.56 is: 17,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.04 : 42,812.98 = 11,677.56 : x
  2. Step 2: Convert to fraction form
    28,532.04/42,812.98 = 11,677.56/x
  3. Step 3: Cross multiply
    28,532.04x = 42,812.98 × 11,677.56
  4. Step 4: Simplify right side
    28,532.04x = 499,951,113.53
  5. Step 5: Solve for x
    x = 499,951,113.53/28,532.04
  6. Step 6: Final answer
    x = 17,522.45

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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.