Home / 39,978.24-59,926.88-25,947.20

Finding the Fourth Proportional to 39,978.24, 59,926.88 and 25,947.20

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Solution

The fourth proportional to 39,978.24, 59,926.88 and 25,947.20 is: 38,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,978.24 : 59,926.88 = 25,947.20 : x
  2. Step 2: Convert to fraction form
    39,978.24/59,926.88 = 25,947.20/x
  3. Step 3: Cross multiply
    39,978.24x = 59,926.88 × 25,947.20
  4. Step 4: Simplify right side
    39,978.24x = 1,554,934,740.74
  5. Step 5: Solve for x
    x = 1,554,934,740.74/39,978.24
  6. Step 6: Final answer
    x = 38,894.53

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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.