Home / 25,152.80-37,772.40-17,808.80

Finding the Fourth Proportional to 25,152.80, 37,772.40 and 17,808.80

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Solution

The fourth proportional to 25,152.80, 37,772.40 and 17,808.80 is: 26,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.80 : 37,772.40 = 17,808.80 : x
  2. Step 2: Convert to fraction form
    25,152.80/37,772.40 = 17,808.80/x
  3. Step 3: Cross multiply
    25,152.80x = 37,772.40 × 17,808.80
  4. Step 4: Simplify right side
    25,152.80x = 672,681,117.12
  5. Step 5: Solve for x
    x = 672,681,117.12/25,152.80
  6. Step 6: Final answer
    x = 26,743.79

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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.