Home / 26,005.16-39,011.78-8,470.91

Finding the Fourth Proportional to 26,005.16, 39,011.78 and 8,470.91

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Solution

The fourth proportional to 26,005.16, 39,011.78 and 8,470.91 is: 12,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.16 : 39,011.78 = 8,470.91 : x
  2. Step 2: Convert to fraction form
    26,005.16/39,011.78 = 8,470.91/x
  3. Step 3: Cross multiply
    26,005.16x = 39,011.78 × 8,470.91
  4. Step 4: Simplify right side
    26,005.16x = 330,465,103.44
  5. Step 5: Solve for x
    x = 330,465,103.44/26,005.16
  6. Step 6: Final answer
    x = 12,707.68

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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.