Home / 25,639.16-38,332.30-21,734.00

Finding the Fourth Proportional to 25,639.16, 38,332.30 and 21,734.00

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Solution

The fourth proportional to 25,639.16, 38,332.30 and 21,734.00 is: 32,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.16 : 38,332.30 = 21,734.00 : x
  2. Step 2: Convert to fraction form
    25,639.16/38,332.30 = 21,734.00/x
  3. Step 3: Cross multiply
    25,639.16x = 38,332.30 × 21,734.00
  4. Step 4: Simplify right side
    25,639.16x = 833,114,069.45
  5. Step 5: Solve for x
    x = 833,114,069.45/25,639.16
  6. Step 6: Final answer
    x = 32,493.82

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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.