Home / 25,488.68-35,173.19-14,158.90

Finding the Fourth Proportional to 25,488.68, 35,173.19 and 14,158.90

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Solution

The fourth proportional to 25,488.68, 35,173.19 and 14,158.90 is: 19,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.68 : 35,173.19 = 14,158.90 : x
  2. Step 2: Convert to fraction form
    25,488.68/35,173.19 = 14,158.90/x
  3. Step 3: Cross multiply
    25,488.68x = 35,173.19 × 14,158.90
  4. Step 4: Simplify right side
    25,488.68x = 498,013,433.23
  5. Step 5: Solve for x
    x = 498,013,433.23/25,488.68
  6. Step 6: Final answer
    x = 19,538.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.