Home / 27,902.50-38,494.54-15,959.45

Finding the Fourth Proportional to 27,902.50, 38,494.54 and 15,959.45

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Solution

The fourth proportional to 27,902.50, 38,494.54 and 15,959.45 is: 22,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.50 : 38,494.54 = 15,959.45 : x
  2. Step 2: Convert to fraction form
    27,902.50/38,494.54 = 15,959.45/x
  3. Step 3: Cross multiply
    27,902.50x = 38,494.54 × 15,959.45
  4. Step 4: Simplify right side
    27,902.50x = 614,351,802.59
  5. Step 5: Solve for x
    x = 614,351,802.59/27,902.50
  6. Step 6: Final answer
    x = 22,017.81

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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.