Home / 25,644.18-38,365.10-19,422.18

Finding the Fourth Proportional to 25,644.18, 38,365.10 and 19,422.18

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Solution

The fourth proportional to 25,644.18, 38,365.10 and 19,422.18 is: 29,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.18 : 38,365.10 = 19,422.18 : x
  2. Step 2: Convert to fraction form
    25,644.18/38,365.10 = 19,422.18/x
  3. Step 3: Cross multiply
    25,644.18x = 38,365.10 × 19,422.18
  4. Step 4: Simplify right side
    25,644.18x = 745,133,780.81
  5. Step 5: Solve for x
    x = 745,133,780.81/25,644.18
  6. Step 6: Final answer
    x = 29,056.64

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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.