Home / 27,555.10-38,024.98-14,979.85

Finding the Fourth Proportional to 27,555.10, 38,024.98 and 14,979.85

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Solution

The fourth proportional to 27,555.10, 38,024.98 and 14,979.85 is: 20,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.10 : 38,024.98 = 14,979.85 : x
  2. Step 2: Convert to fraction form
    27,555.10/38,024.98 = 14,979.85/x
  3. Step 3: Cross multiply
    27,555.10x = 38,024.98 × 14,979.85
  4. Step 4: Simplify right side
    27,555.10x = 569,608,496.65
  5. Step 5: Solve for x
    x = 569,608,496.65/27,555.10
  6. Step 6: Final answer
    x = 20,671.62

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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.