Home / 26,689.12-40,056.12-13,358.12

Finding the Fourth Proportional to 26,689.12, 40,056.12 and 13,358.12

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Solution

The fourth proportional to 26,689.12, 40,056.12 and 13,358.12 is: 20,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.12 : 40,056.12 = 13,358.12 : x
  2. Step 2: Convert to fraction form
    26,689.12/40,056.12 = 13,358.12/x
  3. Step 3: Cross multiply
    26,689.12x = 40,056.12 × 13,358.12
  4. Step 4: Simplify right side
    26,689.12x = 535,074,257.41
  5. Step 5: Solve for x
    x = 535,074,257.41/26,689.12
  6. Step 6: Final answer
    x = 20,048.41

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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.