Home / 28,132.90-38,818.65-17,525.86

Finding the Fourth Proportional to 28,132.90, 38,818.65 and 17,525.86

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Solution

The fourth proportional to 28,132.90, 38,818.65 and 17,525.86 is: 24,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.90 : 38,818.65 = 17,525.86 : x
  2. Step 2: Convert to fraction form
    28,132.90/38,818.65 = 17,525.86/x
  3. Step 3: Cross multiply
    28,132.90x = 38,818.65 × 17,525.86
  4. Step 4: Simplify right side
    28,132.90x = 680,330,225.29
  5. Step 5: Solve for x
    x = 680,330,225.29/28,132.90
  6. Step 6: Final answer
    x = 24,182.73

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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.