Home / 22,888.48-31,515.88-20,039.92

Finding the Fourth Proportional to 22,888.48, 31,515.88 and 20,039.92

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Solution

The fourth proportional to 22,888.48, 31,515.88 and 20,039.92 is: 27,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.48 : 31,515.88 = 20,039.92 : x
  2. Step 2: Convert to fraction form
    22,888.48/31,515.88 = 20,039.92/x
  3. Step 3: Cross multiply
    22,888.48x = 31,515.88 × 20,039.92
  4. Step 4: Simplify right side
    22,888.48x = 631,575,713.93
  5. Step 5: Solve for x
    x = 631,575,713.93/22,888.48
  6. Step 6: Final answer
    x = 27,593.61

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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.