Home / 25,442.38-38,170.41-10,643.50

Finding the Fourth Proportional to 25,442.38, 38,170.41 and 10,643.50

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Solution

The fourth proportional to 25,442.38, 38,170.41 and 10,643.50 is: 15,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.38 : 38,170.41 = 10,643.50 : x
  2. Step 2: Convert to fraction form
    25,442.38/38,170.41 = 10,643.50/x
  3. Step 3: Cross multiply
    25,442.38x = 38,170.41 × 10,643.50
  4. Step 4: Simplify right side
    25,442.38x = 406,266,758.84
  5. Step 5: Solve for x
    x = 406,266,758.84/25,442.38
  6. Step 6: Final answer
    x = 15,968.11

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1.5x scale

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.