Home / 26,722.08-40,068.30-10,938.18

Finding the Fourth Proportional to 26,722.08, 40,068.30 and 10,938.18

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Solution

The fourth proportional to 26,722.08, 40,068.30 and 10,938.18 is: 16,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.08 : 40,068.30 = 10,938.18 : x
  2. Step 2: Convert to fraction form
    26,722.08/40,068.30 = 10,938.18/x
  3. Step 3: Cross multiply
    26,722.08x = 40,068.30 × 10,938.18
  4. Step 4: Simplify right side
    26,722.08x = 438,274,277.69
  5. Step 5: Solve for x
    x = 438,274,277.69/26,722.08
  6. Step 6: Final answer
    x = 16,401.20

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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.