Home / 28,590.53-42,871.17-11,946.02

Finding the Fourth Proportional to 28,590.53, 42,871.17 and 11,946.02

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Solution

The fourth proportional to 28,590.53, 42,871.17 and 11,946.02 is: 17,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.53 : 42,871.17 = 11,946.02 : x
  2. Step 2: Convert to fraction form
    28,590.53/42,871.17 = 11,946.02/x
  3. Step 3: Cross multiply
    28,590.53x = 42,871.17 × 11,946.02
  4. Step 4: Simplify right side
    28,590.53x = 512,139,854.24
  5. Step 5: Solve for x
    x = 512,139,854.24/28,590.53
  6. Step 6: Final answer
    x = 17,912.92

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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.