Home / 52,869.30-79,284.90-15,421.86

Finding the Fourth Proportional to 52,869.30, 79,284.90 and 15,421.86

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Solution

The fourth proportional to 52,869.30, 79,284.90 and 15,421.86 is: 23,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.30 : 79,284.90 = 15,421.86 : x
  2. Step 2: Convert to fraction form
    52,869.30/79,284.90 = 15,421.86/x
  3. Step 3: Cross multiply
    52,869.30x = 79,284.90 × 15,421.86
  4. Step 4: Simplify right side
    52,869.30x = 1,222,720,627.91
  5. Step 5: Solve for x
    x = 1,222,720,627.91/52,869.30
  6. Step 6: Final answer
    x = 23,127.23

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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.