Home / 25,612.95-38,318.07-19,390.92

Finding the Fourth Proportional to 25,612.95, 38,318.07 and 19,390.92

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Solution

The fourth proportional to 25,612.95, 38,318.07 and 19,390.92 is: 29,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.95 : 38,318.07 = 19,390.92 : x
  2. Step 2: Convert to fraction form
    25,612.95/38,318.07 = 19,390.92/x
  3. Step 3: Cross multiply
    25,612.95x = 38,318.07 × 19,390.92
  4. Step 4: Simplify right side
    25,612.95x = 743,022,629.92
  5. Step 5: Solve for x
    x = 743,022,629.92/25,612.95
  6. Step 6: Final answer
    x = 29,009.65

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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.