Home / 27,690.48-38,226.56-17,085.96

Finding the Fourth Proportional to 27,690.48, 38,226.56 and 17,085.96

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Solution

The fourth proportional to 27,690.48, 38,226.56 and 17,085.96 is: 23,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690.48 : 38,226.56 = 17,085.96 : x
  2. Step 2: Convert to fraction form
    27,690.48/38,226.56 = 17,085.96/x
  3. Step 3: Cross multiply
    27,690.48x = 38,226.56 × 17,085.96
  4. Step 4: Simplify right side
    27,690.48x = 653,137,475.10
  5. Step 5: Solve for x
    x = 653,137,475.10/27,690.48
  6. Step 6: Final answer
    x = 23,587.08

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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.