Home / 27,627.76-38,125.08-15,694.08

Finding the Fourth Proportional to 27,627.76, 38,125.08 and 15,694.08

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Solution

The fourth proportional to 27,627.76, 38,125.08 and 15,694.08 is: 21,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,627.76 : 38,125.08 = 15,694.08 : x
  2. Step 2: Convert to fraction form
    27,627.76/38,125.08 = 15,694.08/x
  3. Step 3: Cross multiply
    27,627.76x = 38,125.08 × 15,694.08
  4. Step 4: Simplify right side
    27,627.76x = 598,338,055.53
  5. Step 5: Solve for x
    x = 598,338,055.53/27,627.76
  6. Step 6: Final answer
    x = 21,657.13

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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.