Home / 25,520.15-38,347.88-13,682.63

Finding the Fourth Proportional to 25,520.15, 38,347.88 and 13,682.63

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Solution

The fourth proportional to 25,520.15, 38,347.88 and 13,682.63 is: 20,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.15 : 38,347.88 = 13,682.63 : x
  2. Step 2: Convert to fraction form
    25,520.15/38,347.88 = 13,682.63/x
  3. Step 3: Cross multiply
    25,520.15x = 38,347.88 × 13,682.63
  4. Step 4: Simplify right side
    25,520.15x = 524,699,593.17
  5. Step 5: Solve for x
    x = 524,699,593.17/25,520.15
  6. Step 6: Final answer
    x = 20,560.21

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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.