Home / 28,106.38-42,147.20-14,955.62

Finding the Fourth Proportional to 28,106.38, 42,147.20 and 14,955.62

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Solution

The fourth proportional to 28,106.38, 42,147.20 and 14,955.62 is: 22,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.38 : 42,147.20 = 14,955.62 : x
  2. Step 2: Convert to fraction form
    28,106.38/42,147.20 = 14,955.62/x
  3. Step 3: Cross multiply
    28,106.38x = 42,147.20 × 14,955.62
  4. Step 4: Simplify right side
    28,106.38x = 630,337,650.02
  5. Step 5: Solve for x
    x = 630,337,650.02/28,106.38
  6. Step 6: Final answer
    x = 22,426.85

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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.