Home / 25,987.28-38,988.50-9,346.98

Finding the Fourth Proportional to 25,987.28, 38,988.50 and 9,346.98

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Solution

The fourth proportional to 25,987.28, 38,988.50 and 9,346.98 is: 14,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987.28 : 38,988.50 = 9,346.98 : x
  2. Step 2: Convert to fraction form
    25,987.28/38,988.50 = 9,346.98/x
  3. Step 3: Cross multiply
    25,987.28x = 38,988.50 × 9,346.98
  4. Step 4: Simplify right side
    25,987.28x = 364,424,729.73
  5. Step 5: Solve for x
    x = 364,424,729.73/25,987.28
  6. Step 6: Final answer
    x = 14,023.20

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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.