Home / 28,474.59-42,712.04-18,675.92

Finding the Fourth Proportional to 28,474.59, 42,712.04 and 18,675.92

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Solution

The fourth proportional to 28,474.59, 42,712.04 and 18,675.92 is: 28,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474.59 : 42,712.04 = 18,675.92 : x
  2. Step 2: Convert to fraction form
    28,474.59/42,712.04 = 18,675.92/x
  3. Step 3: Cross multiply
    28,474.59x = 42,712.04 × 18,675.92
  4. Step 4: Simplify right side
    28,474.59x = 797,686,642.08
  5. Step 5: Solve for x
    x = 797,686,642.08/28,474.59
  6. Step 6: Final answer
    x = 28,013.98

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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.