Home / 27,436.80-37,862.55-15,502.44

Finding the Fourth Proportional to 27,436.80, 37,862.55 and 15,502.44

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Solution

The fourth proportional to 27,436.80, 37,862.55 and 15,502.44 is: 21,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.80 : 37,862.55 = 15,502.44 : x
  2. Step 2: Convert to fraction form
    27,436.80/37,862.55 = 15,502.44/x
  3. Step 3: Cross multiply
    27,436.80x = 37,862.55 × 15,502.44
  4. Step 4: Simplify right side
    27,436.80x = 586,961,909.62
  5. Step 5: Solve for x
    x = 586,961,909.62/27,436.80
  6. Step 6: Final answer
    x = 21,393.23

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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.