Home / 26,888.65-40,335.11-8,170.32

Finding the Fourth Proportional to 26,888.65, 40,335.11 and 8,170.32

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Solution

The fourth proportional to 26,888.65, 40,335.11 and 8,170.32 is: 12,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.65 : 40,335.11 = 8,170.32 : x
  2. Step 2: Convert to fraction form
    26,888.65/40,335.11 = 8,170.32/x
  3. Step 3: Cross multiply
    26,888.65x = 40,335.11 × 8,170.32
  4. Step 4: Simplify right side
    26,888.65x = 329,550,971.30
  5. Step 5: Solve for x
    x = 329,550,971.30/26,888.65
  6. Step 6: Final answer
    x = 12,256.14

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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.