Home / 25,613.02-38,357.61-21,197.98

Finding the Fourth Proportional to 25,613.02, 38,357.61 and 21,197.98

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Solution

The fourth proportional to 25,613.02, 38,357.61 and 21,197.98 is: 31,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.02 : 38,357.61 = 21,197.98 : x
  2. Step 2: Convert to fraction form
    25,613.02/38,357.61 = 21,197.98/x
  3. Step 3: Cross multiply
    25,613.02x = 38,357.61 × 21,197.98
  4. Step 4: Simplify right side
    25,613.02x = 813,103,849.63
  5. Step 5: Solve for x
    x = 813,103,849.63/25,613.02
  6. Step 6: Final answer
    x = 31,745.72

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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.