Home / 25,753.62-35,531.67-14,421.42

Finding the Fourth Proportional to 25,753.62, 35,531.67 and 14,421.42

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Solution

The fourth proportional to 25,753.62, 35,531.67 and 14,421.42 is: 19,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,753.62 : 35,531.67 = 14,421.42 : x
  2. Step 2: Convert to fraction form
    25,753.62/35,531.67 = 14,421.42/x
  3. Step 3: Cross multiply
    25,753.62x = 35,531.67 × 14,421.42
  4. Step 4: Simplify right side
    25,753.62x = 512,417,136.37
  5. Step 5: Solve for x
    x = 512,417,136.37/25,753.62
  6. Step 6: Final answer
    x = 19,896.90

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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.