Home / 28,923.90-43,385.85-17,259.90

Finding the Fourth Proportional to 28,923.90, 43,385.85 and 17,259.90

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Solution

The fourth proportional to 28,923.90, 43,385.85 and 17,259.90 is: 25,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.90 : 43,385.85 = 17,259.90 : x
  2. Step 2: Convert to fraction form
    28,923.90/43,385.85 = 17,259.90/x
  3. Step 3: Cross multiply
    28,923.90x = 43,385.85 × 17,259.90
  4. Step 4: Simplify right side
    28,923.90x = 748,835,432.42
  5. Step 5: Solve for x
    x = 748,835,432.42/28,923.90
  6. Step 6: Final answer
    x = 25,889.85

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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.