Home / 26,742.78-40,030.11-18,373.86

Finding the Fourth Proportional to 26,742.78, 40,030.11 and 18,373.86

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Solution

The fourth proportional to 26,742.78, 40,030.11 and 18,373.86 is: 27,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.78 : 40,030.11 = 18,373.86 : x
  2. Step 2: Convert to fraction form
    26,742.78/40,030.11 = 18,373.86/x
  3. Step 3: Cross multiply
    26,742.78x = 40,030.11 × 18,373.86
  4. Step 4: Simplify right side
    26,742.78x = 735,507,636.92
  5. Step 5: Solve for x
    x = 735,507,636.92/26,742.78
  6. Step 6: Final answer
    x = 27,503.04

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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.