Home / 25,387.80-38,092.58-9,816.36

Finding the Fourth Proportional to 25,387.80, 38,092.58 and 9,816.36

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Solution

The fourth proportional to 25,387.80, 38,092.58 and 9,816.36 is: 14,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.80 : 38,092.58 = 9,816.36 : x
  2. Step 2: Convert to fraction form
    25,387.80/38,092.58 = 9,816.36/x
  3. Step 3: Cross multiply
    25,387.80x = 38,092.58 × 9,816.36
  4. Step 4: Simplify right side
    25,387.80x = 373,930,478.61
  5. Step 5: Solve for x
    x = 373,930,478.61/25,387.80
  6. Step 6: Final answer
    x = 14,728.75

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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.