Home / 28,432.50-42,646.95-11,103.77

Finding the Fourth Proportional to 28,432.50, 42,646.95 and 11,103.77

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Solution

The fourth proportional to 28,432.50, 42,646.95 and 11,103.77 is: 16,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.50 : 42,646.95 = 11,103.77 : x
  2. Step 2: Convert to fraction form
    28,432.50/42,646.95 = 11,103.77/x
  3. Step 3: Cross multiply
    28,432.50x = 42,646.95 × 11,103.77
  4. Step 4: Simplify right side
    28,432.50x = 473,542,072.26
  5. Step 5: Solve for x
    x = 473,542,072.26/28,432.50
  6. Step 6: Final answer
    x = 16,654.96

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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.