Home / 26,658.34-39,987.31-10,859.66

Finding the Fourth Proportional to 26,658.34, 39,987.31 and 10,859.66

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Solution

The fourth proportional to 26,658.34, 39,987.31 and 10,859.66 is: 16,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.34 : 39,987.31 = 10,859.66 : x
  2. Step 2: Convert to fraction form
    26,658.34/39,987.31 = 10,859.66/x
  3. Step 3: Cross multiply
    26,658.34x = 39,987.31 × 10,859.66
  4. Step 4: Simplify right side
    26,658.34x = 434,248,590.91
  5. Step 5: Solve for x
    x = 434,248,590.91/26,658.34
  6. Step 6: Final answer
    x = 16,289.41

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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.