Home / 27,422.72-37,841.28-15,484.40

Finding the Fourth Proportional to 27,422.72, 37,841.28 and 15,484.40

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Solution

The fourth proportional to 27,422.72, 37,841.28 and 15,484.40 is: 21,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.72 : 37,841.28 = 15,484.40 : x
  2. Step 2: Convert to fraction form
    27,422.72/37,841.28 = 15,484.40/x
  3. Step 3: Cross multiply
    27,422.72x = 37,841.28 × 15,484.40
  4. Step 4: Simplify right side
    27,422.72x = 585,949,516.03
  5. Step 5: Solve for x
    x = 585,949,516.03/27,422.72
  6. Step 6: Final answer
    x = 21,367.30

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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.