Home / 27,844.72-38,423.58-15,269.44

Finding the Fourth Proportional to 27,844.72, 38,423.58 and 15,269.44

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Solution

The fourth proportional to 27,844.72, 38,423.58 and 15,269.44 is: 21,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844.72 : 38,423.58 = 15,269.44 : x
  2. Step 2: Convert to fraction form
    27,844.72/38,423.58 = 15,269.44/x
  3. Step 3: Cross multiply
    27,844.72x = 38,423.58 × 15,269.44
  4. Step 4: Simplify right side
    27,844.72x = 586,706,549.40
  5. Step 5: Solve for x
    x = 586,706,549.40/27,844.72
  6. Step 6: Final answer
    x = 21,070.66

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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.