Home / 26,409.20-39,612.36-8,877.20

Finding the Fourth Proportional to 26,409.20, 39,612.36 and 8,877.20

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Solution

The fourth proportional to 26,409.20, 39,612.36 and 8,877.20 is: 13,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.20 : 39,612.36 = 8,877.20 : x
  2. Step 2: Convert to fraction form
    26,409.20/39,612.36 = 8,877.20/x
  3. Step 3: Cross multiply
    26,409.20x = 39,612.36 × 8,877.20
  4. Step 4: Simplify right side
    26,409.20x = 351,646,842.19
  5. Step 5: Solve for x
    x = 351,646,842.19/26,409.20
  6. Step 6: Final answer
    x = 13,315.32

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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.