Home / 25,934.72-35,779.28-15,025.60

Finding the Fourth Proportional to 25,934.72, 35,779.28 and 15,025.60

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Solution

The fourth proportional to 25,934.72, 35,779.28 and 15,025.60 is: 20,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,934.72 : 35,779.28 = 15,025.60 : x
  2. Step 2: Convert to fraction form
    25,934.72/35,779.28 = 15,025.60/x
  3. Step 3: Cross multiply
    25,934.72x = 35,779.28 × 15,025.60
  4. Step 4: Simplify right side
    25,934.72x = 537,605,149.57
  5. Step 5: Solve for x
    x = 537,605,149.57/25,934.72
  6. Step 6: Final answer
    x = 20,729.17

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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.