Home / 28,311.26-42,437.72-15,160.10

Finding the Fourth Proportional to 28,311.26, 42,437.72 and 15,160.10

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Solution

The fourth proportional to 28,311.26, 42,437.72 and 15,160.10 is: 22,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311.26 : 42,437.72 = 15,160.10 : x
  2. Step 2: Convert to fraction form
    28,311.26/42,437.72 = 15,160.10/x
  3. Step 3: Cross multiply
    28,311.26x = 42,437.72 × 15,160.10
  4. Step 4: Simplify right side
    28,311.26x = 643,359,904.68
  5. Step 5: Solve for x
    x = 643,359,904.68/28,311.26
  6. Step 6: Final answer
    x = 22,724.53

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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.