Home / 25,469.55-35,152.14-14,142.71

Finding the Fourth Proportional to 25,469.55, 35,152.14 and 14,142.71

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Solution

The fourth proportional to 25,469.55, 35,152.14 and 14,142.71 is: 19,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.55 : 35,152.14 = 14,142.71 : x
  2. Step 2: Convert to fraction form
    25,469.55/35,152.14 = 14,142.71/x
  3. Step 3: Cross multiply
    25,469.55x = 35,152.14 × 14,142.71
  4. Step 4: Simplify right side
    25,469.55x = 497,146,521.90
  5. Step 5: Solve for x
    x = 497,146,521.90/25,469.55
  6. Step 6: Final answer
    x = 19,519.25

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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.