Home / 38,687.54-53,412.11-25,281.23

Finding the Fourth Proportional to 38,687.54, 53,412.11 and 25,281.23

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Solution

The fourth proportional to 38,687.54, 53,412.11 and 25,281.23 is: 34,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.54 : 53,412.11 = 25,281.23 : x
  2. Step 2: Convert to fraction form
    38,687.54/53,412.11 = 25,281.23/x
  3. Step 3: Cross multiply
    38,687.54x = 53,412.11 × 25,281.23
  4. Step 4: Simplify right side
    38,687.54x = 1,350,323,444.23
  5. Step 5: Solve for x
    x = 1,350,323,444.23/38,687.54
  6. Step 6: Final answer
    x = 34,903.32

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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.