Home / 27,626.98-38,149.64-20,541.10

Finding the Fourth Proportional to 27,626.98, 38,149.64 and 20,541.10

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Solution

The fourth proportional to 27,626.98, 38,149.64 and 20,541.10 is: 28,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,626.98 : 38,149.64 = 20,541.10 : x
  2. Step 2: Convert to fraction form
    27,626.98/38,149.64 = 20,541.10/x
  3. Step 3: Cross multiply
    27,626.98x = 38,149.64 × 20,541.10
  4. Step 4: Simplify right side
    27,626.98x = 783,635,570.20
  5. Step 5: Solve for x
    x = 783,635,570.20/27,626.98
  6. Step 6: Final answer
    x = 28,364.87

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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.