Home / 26,929.53-40,386.06-12,882.15

Finding the Fourth Proportional to 26,929.53, 40,386.06 and 12,882.15

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Solution

The fourth proportional to 26,929.53, 40,386.06 and 12,882.15 is: 19,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.53 : 40,386.06 = 12,882.15 : x
  2. Step 2: Convert to fraction form
    26,929.53/40,386.06 = 12,882.15/x
  3. Step 3: Cross multiply
    26,929.53x = 40,386.06 × 12,882.15
  4. Step 4: Simplify right side
    26,929.53x = 520,259,282.83
  5. Step 5: Solve for x
    x = 520,259,282.83/26,929.53
  6. Step 6: Final answer
    x = 19,319.29

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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.