Home / 25,567.72-38,351.90-8,927.80

Finding the Fourth Proportional to 25,567.72, 38,351.90 and 8,927.80

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Solution

The fourth proportional to 25,567.72, 38,351.90 and 8,927.80 is: 13,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,567.72 : 38,351.90 = 8,927.80 : x
  2. Step 2: Convert to fraction form
    25,567.72/38,351.90 = 8,927.80/x
  3. Step 3: Cross multiply
    25,567.72x = 38,351.90 × 8,927.80
  4. Step 4: Simplify right side
    25,567.72x = 342,398,092.82
  5. Step 5: Solve for x
    x = 342,398,092.82/25,567.72
  6. Step 6: Final answer
    x = 13,391.81

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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.