Home / 26,341.20-39,510.45-18,958.86

Finding the Fourth Proportional to 26,341.20, 39,510.45 and 18,958.86

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Solution

The fourth proportional to 26,341.20, 39,510.45 and 18,958.86 is: 28,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,341.20 : 39,510.45 = 18,958.86 : x
  2. Step 2: Convert to fraction form
    26,341.20/39,510.45 = 18,958.86/x
  3. Step 3: Cross multiply
    26,341.20x = 39,510.45 × 18,958.86
  4. Step 4: Simplify right side
    26,341.20x = 749,073,090.09
  5. Step 5: Solve for x
    x = 749,073,090.09/26,341.20
  6. Step 6: Final answer
    x = 28,437.32

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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.