Home / 38,687.06-53,411.42-25,280.75

Finding the Fourth Proportional to 38,687.06, 53,411.42 and 25,280.75

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Solution

The fourth proportional to 38,687.06, 53,411.42 and 25,280.75 is: 34,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.06 : 53,411.42 = 25,280.75 : x
  2. Step 2: Convert to fraction form
    38,687.06/53,411.42 = 25,280.75/x
  3. Step 3: Cross multiply
    38,687.06x = 53,411.42 × 25,280.75
  4. Step 4: Simplify right side
    38,687.06x = 1,350,280,362.70
  5. Step 5: Solve for x
    x = 1,350,280,362.70/38,687.06
  6. Step 6: Final answer
    x = 34,902.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.