Home / 27,013.80-40,508.55-10,368.30

Finding the Fourth Proportional to 27,013.80, 40,508.55 and 10,368.30

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Solution

The fourth proportional to 27,013.80, 40,508.55 and 10,368.30 is: 15,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.80 : 40,508.55 = 10,368.30 : x
  2. Step 2: Convert to fraction form
    27,013.80/40,508.55 = 10,368.30/x
  3. Step 3: Cross multiply
    27,013.80x = 40,508.55 × 10,368.30
  4. Step 4: Simplify right side
    27,013.80x = 420,004,798.97
  5. Step 5: Solve for x
    x = 420,004,798.97/27,013.80
  6. Step 6: Final answer
    x = 15,547.79

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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.