Home / 25,617.40-38,426.10-23,630.20

Finding the Fourth Proportional to 25,617.40, 38,426.10 and 23,630.20

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Solution

The fourth proportional to 25,617.40, 38,426.10 and 23,630.20 is: 35,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.40 : 38,426.10 = 23,630.20 : x
  2. Step 2: Convert to fraction form
    25,617.40/38,426.10 = 23,630.20/x
  3. Step 3: Cross multiply
    25,617.40x = 38,426.10 × 23,630.20
  4. Step 4: Simplify right side
    25,617.40x = 908,016,428.22
  5. Step 5: Solve for x
    x = 908,016,428.22/25,617.40
  6. Step 6: Final answer
    x = 35,445.30

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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.