Home / 26,403.18-39,604.40-6,412.81

Finding the Fourth Proportional to 26,403.18, 39,604.40 and 6,412.81

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Solution

The fourth proportional to 26,403.18, 39,604.40 and 6,412.81 is: 9,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.18 : 39,604.40 = 6,412.81 : x
  2. Step 2: Convert to fraction form
    26,403.18/39,604.40 = 6,412.81/x
  3. Step 3: Cross multiply
    26,403.18x = 39,604.40 × 6,412.81
  4. Step 4: Simplify right side
    26,403.18x = 253,975,508.40
  5. Step 5: Solve for x
    x = 253,975,508.40/26,403.18
  6. Step 6: Final answer
    x = 9,619.12

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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.