Home / 25,679.70-38,521.98-9,039.60

Finding the Fourth Proportional to 25,679.70, 38,521.98 and 9,039.60

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Solution

The fourth proportional to 25,679.70, 38,521.98 and 9,039.60 is: 13,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.70 : 38,521.98 = 9,039.60 : x
  2. Step 2: Convert to fraction form
    25,679.70/38,521.98 = 9,039.60/x
  3. Step 3: Cross multiply
    25,679.70x = 38,521.98 × 9,039.60
  4. Step 4: Simplify right side
    25,679.70x = 348,223,290.41
  5. Step 5: Solve for x
    x = 348,223,290.41/25,679.70
  6. Step 6: Final answer
    x = 13,560.26

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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.