Home / 27,001.63-40,502.69-8,281.76

Finding the Fourth Proportional to 27,001.63, 40,502.69 and 8,281.76

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Solution

The fourth proportional to 27,001.63, 40,502.69 and 8,281.76 is: 12,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,001.63 : 40,502.69 = 8,281.76 : x
  2. Step 2: Convert to fraction form
    27,001.63/40,502.69 = 8,281.76/x
  3. Step 3: Cross multiply
    27,001.63x = 40,502.69 × 8,281.76
  4. Step 4: Simplify right side
    27,001.63x = 335,433,482.28
  5. Step 5: Solve for x
    x = 335,433,482.28/27,001.63
  6. Step 6: Final answer
    x = 12,422.71

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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.