Home / 28,142.04-42,233.82-13,350.92

Finding the Fourth Proportional to 28,142.04, 42,233.82 and 13,350.92

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Solution

The fourth proportional to 28,142.04, 42,233.82 and 13,350.92 is: 20,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142.04 : 42,233.82 = 13,350.92 : x
  2. Step 2: Convert to fraction form
    28,142.04/42,233.82 = 13,350.92/x
  3. Step 3: Cross multiply
    28,142.04x = 42,233.82 × 13,350.92
  4. Step 4: Simplify right side
    28,142.04x = 563,860,352.11
  5. Step 5: Solve for x
    x = 563,860,352.11/28,142.04
  6. Step 6: Final answer
    x = 20,036.23

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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.