Home / 27,246.30-40,869.45-18,908.70

Finding the Fourth Proportional to 27,246.30, 40,869.45 and 18,908.70

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Solution

The fourth proportional to 27,246.30, 40,869.45 and 18,908.70 is: 28,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,246.30 : 40,869.45 = 18,908.70 : x
  2. Step 2: Convert to fraction form
    27,246.30/40,869.45 = 18,908.70/x
  3. Step 3: Cross multiply
    27,246.30x = 40,869.45 × 18,908.70
  4. Step 4: Simplify right side
    27,246.30x = 772,788,169.22
  5. Step 5: Solve for x
    x = 772,788,169.22/27,246.30
  6. Step 6: Final answer
    x = 28,363.05

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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.