Home / 25,475.39-35,154.27-14,143.98

Finding the Fourth Proportional to 25,475.39, 35,154.27 and 14,143.98

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Solution

The fourth proportional to 25,475.39, 35,154.27 and 14,143.98 is: 19,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.39 : 35,154.27 = 14,143.98 : x
  2. Step 2: Convert to fraction form
    25,475.39/35,154.27 = 14,143.98/x
  3. Step 3: Cross multiply
    25,475.39x = 35,154.27 × 14,143.98
  4. Step 4: Simplify right side
    25,475.39x = 497,221,291.79
  5. Step 5: Solve for x
    x = 497,221,291.79/25,475.39
  6. Step 6: Final answer
    x = 19,517.71

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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.