Home / 25,102.85-34,640.87-15,036.84

Finding the Fourth Proportional to 25,102.85, 34,640.87 and 15,036.84

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Solution

The fourth proportional to 25,102.85, 34,640.87 and 15,036.84 is: 20,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.85 : 34,640.87 = 15,036.84 : x
  2. Step 2: Convert to fraction form
    25,102.85/34,640.87 = 15,036.84/x
  3. Step 3: Cross multiply
    25,102.85x = 34,640.87 × 15,036.84
  4. Step 4: Simplify right side
    25,102.85x = 520,889,144.47
  5. Step 5: Solve for x
    x = 520,889,144.47/25,102.85
  6. Step 6: Final answer
    x = 20,750.20

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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.