Home / 27,211.08-37,551.30-15,278.28

Finding the Fourth Proportional to 27,211.08, 37,551.30 and 15,278.28

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Solution

The fourth proportional to 27,211.08, 37,551.30 and 15,278.28 is: 21,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.08 : 37,551.30 = 15,278.28 : x
  2. Step 2: Convert to fraction form
    27,211.08/37,551.30 = 15,278.28/x
  3. Step 3: Cross multiply
    27,211.08x = 37,551.30 × 15,278.28
  4. Step 4: Simplify right side
    27,211.08x = 573,719,275.76
  5. Step 5: Solve for x
    x = 573,719,275.76/27,211.08
  6. Step 6: Final answer
    x = 21,084.03

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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.