Home / 25,864.46-38,800.32-9,219.56

Finding the Fourth Proportional to 25,864.46, 38,800.32 and 9,219.56

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Solution

The fourth proportional to 25,864.46, 38,800.32 and 9,219.56 is: 13,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.46 : 38,800.32 = 9,219.56 : x
  2. Step 2: Convert to fraction form
    25,864.46/38,800.32 = 9,219.56/x
  3. Step 3: Cross multiply
    25,864.46x = 38,800.32 × 9,219.56
  4. Step 4: Simplify right side
    25,864.46x = 357,721,878.26
  5. Step 5: Solve for x
    x = 357,721,878.26/25,864.46
  6. Step 6: Final answer
    x = 13,830.63

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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.