Home / 25,625.60-38,438.40-23,724.80

Finding the Fourth Proportional to 25,625.60, 38,438.40 and 23,724.80

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Solution

The fourth proportional to 25,625.60, 38,438.40 and 23,724.80 is: 35,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.60 : 38,438.40 = 23,724.80 : x
  2. Step 2: Convert to fraction form
    25,625.60/38,438.40 = 23,724.80/x
  3. Step 3: Cross multiply
    25,625.60x = 38,438.40 × 23,724.80
  4. Step 4: Simplify right side
    25,625.60x = 911,943,352.32
  5. Step 5: Solve for x
    x = 911,943,352.32/25,625.60
  6. Step 6: Final answer
    x = 35,587.20

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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.