Home / 25,775.25-35,569.25-15,165.57

Finding the Fourth Proportional to 25,775.25, 35,569.25 and 15,165.57

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Solution

The fourth proportional to 25,775.25, 35,569.25 and 15,165.57 is: 20,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.25 : 35,569.25 = 15,165.57 : x
  2. Step 2: Convert to fraction form
    25,775.25/35,569.25 = 15,165.57/x
  3. Step 3: Cross multiply
    25,775.25x = 35,569.25 × 15,165.57
  4. Step 4: Simplify right side
    25,775.25x = 539,427,874.89
  5. Step 5: Solve for x
    x = 539,427,874.89/25,775.25
  6. Step 6: Final answer
    x = 20,928.13

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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.