Home / 25,807.20-38,710.80-23,906.40

Finding the Fourth Proportional to 25,807.20, 38,710.80 and 23,906.40

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Solution

The fourth proportional to 25,807.20, 38,710.80 and 23,906.40 is: 35,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,807.20 : 38,710.80 = 23,906.40 : x
  2. Step 2: Convert to fraction form
    25,807.20/38,710.80 = 23,906.40/x
  3. Step 3: Cross multiply
    25,807.20x = 38,710.80 × 23,906.40
  4. Step 4: Simplify right side
    25,807.20x = 925,435,869.12
  5. Step 5: Solve for x
    x = 925,435,869.12/25,807.20
  6. Step 6: Final answer
    x = 35,859.60

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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.