Home / 28,118.48-42,191.22-16,432.62

Finding the Fourth Proportional to 28,118.48, 42,191.22 and 16,432.62

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Solution

The fourth proportional to 28,118.48, 42,191.22 and 16,432.62 is: 24,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118.48 : 42,191.22 = 16,432.62 : x
  2. Step 2: Convert to fraction form
    28,118.48/42,191.22 = 16,432.62/x
  3. Step 3: Cross multiply
    28,118.48x = 42,191.22 × 16,432.62
  4. Step 4: Simplify right side
    28,118.48x = 693,312,285.60
  5. Step 5: Solve for x
    x = 693,312,285.60/28,118.48
  6. Step 6: Final answer
    x = 24,656.82

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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.