Home / 25,929.66-35,742.15-22,780.38

Finding the Fourth Proportional to 25,929.66, 35,742.15 and 22,780.38

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Solution

The fourth proportional to 25,929.66, 35,742.15 and 22,780.38 is: 31,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.66 : 35,742.15 = 22,780.38 : x
  2. Step 2: Convert to fraction form
    25,929.66/35,742.15 = 22,780.38/x
  3. Step 3: Cross multiply
    25,929.66x = 35,742.15 × 22,780.38
  4. Step 4: Simplify right side
    25,929.66x = 814,219,759.02
  5. Step 5: Solve for x
    x = 814,219,759.02/25,929.66
  6. Step 6: Final answer
    x = 31,401.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.