Home / 28,079.22-42,174.72-17,567.85

Finding the Fourth Proportional to 28,079.22, 42,174.72 and 17,567.85

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Solution

The fourth proportional to 28,079.22, 42,174.72 and 17,567.85 is: 26,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.22 : 42,174.72 = 17,567.85 : x
  2. Step 2: Convert to fraction form
    28,079.22/42,174.72 = 17,567.85/x
  3. Step 3: Cross multiply
    28,079.22x = 42,174.72 × 17,567.85
  4. Step 4: Simplify right side
    28,079.22x = 740,919,154.75
  5. Step 5: Solve for x
    x = 740,919,154.75/28,079.22
  6. Step 6: Final answer
    x = 26,386.74

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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.