Home / 28,342.31-42,522.67-13,552.31

Finding the Fourth Proportional to 28,342.31, 42,522.67 and 13,552.31

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Solution

The fourth proportional to 28,342.31, 42,522.67 and 13,552.31 is: 20,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342.31 : 42,522.67 = 13,552.31 : x
  2. Step 2: Convert to fraction form
    28,342.31/42,522.67 = 13,552.31/x
  3. Step 3: Cross multiply
    28,342.31x = 42,522.67 × 13,552.31
  4. Step 4: Simplify right side
    28,342.31x = 576,280,529.11
  5. Step 5: Solve for x
    x = 576,280,529.11/28,342.31
  6. Step 6: Final answer
    x = 20,332.87

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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.