Home / 26,430.18-39,645.27-11,639.18

Finding the Fourth Proportional to 26,430.18, 39,645.27 and 11,639.18

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Solution

The fourth proportional to 26,430.18, 39,645.27 and 11,639.18 is: 17,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.18 : 39,645.27 = 11,639.18 : x
  2. Step 2: Convert to fraction form
    26,430.18/39,645.27 = 11,639.18/x
  3. Step 3: Cross multiply
    26,430.18x = 39,645.27 × 11,639.18
  4. Step 4: Simplify right side
    26,430.18x = 461,438,235.45
  5. Step 5: Solve for x
    x = 461,438,235.45/26,430.18
  6. Step 6: Final answer
    x = 17,458.76

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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.