Home / 27,763.08-38,313-15,826.92

Finding the Fourth Proportional to 27,763.08, 38,313 and 15,826.92

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Solution

The fourth proportional to 27,763.08, 38,313 and 15,826.92 is: 21,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.08 : 38,313 = 15,826.92 : x
  2. Step 2: Convert to fraction form
    27,763.08/38,313 = 15,826.92/x
  3. Step 3: Cross multiply
    27,763.08x = 38,313 × 15,826.92
  4. Step 4: Simplify right side
    27,763.08x = 606,376,785.96
  5. Step 5: Solve for x
    x = 606,376,785.96/27,763.08
  6. Step 6: Final answer
    x = 21,841.12

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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.