Home / 25,750.51-38,618.79-9,108.34

Finding the Fourth Proportional to 25,750.51, 38,618.79 and 9,108.34

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Solution

The fourth proportional to 25,750.51, 38,618.79 and 9,108.34 is: 13,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.51 : 38,618.79 = 9,108.34 : x
  2. Step 2: Convert to fraction form
    25,750.51/38,618.79 = 9,108.34/x
  3. Step 3: Cross multiply
    25,750.51x = 38,618.79 × 9,108.34
  4. Step 4: Simplify right side
    25,750.51x = 351,753,069.71
  5. Step 5: Solve for x
    x = 351,753,069.71/25,750.51
  6. Step 6: Final answer
    x = 13,660.04

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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.