Home / 42,896.25-64,354.10-15,194.25

Finding the Fourth Proportional to 42,896.25, 64,354.10 and 15,194.25

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Solution

The fourth proportional to 42,896.25, 64,354.10 and 15,194.25 is: 22,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,896.25 : 64,354.10 = 15,194.25 : x
  2. Step 2: Convert to fraction form
    42,896.25/64,354.10 = 15,194.25/x
  3. Step 3: Cross multiply
    42,896.25x = 64,354.10 × 15,194.25
  4. Step 4: Simplify right side
    42,896.25x = 977,812,207.95
  5. Step 5: Solve for x
    x = 977,812,207.95/42,896.25
  6. Step 6: Final answer
    x = 22,794.82

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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.