Home / 27,759.08-41,639.16-10,219.88

Finding the Fourth Proportional to 27,759.08, 41,639.16 and 10,219.88

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Solution

The fourth proportional to 27,759.08, 41,639.16 and 10,219.88 is: 15,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.08 : 41,639.16 = 10,219.88 : x
  2. Step 2: Convert to fraction form
    27,759.08/41,639.16 = 10,219.88/x
  3. Step 3: Cross multiply
    27,759.08x = 41,639.16 × 10,219.88
  4. Step 4: Simplify right side
    27,759.08x = 425,547,218.50
  5. Step 5: Solve for x
    x = 425,547,218.50/27,759.08
  6. Step 6: Final answer
    x = 15,330.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.