Home / 26,011.76-39,017.64-12,170.48

Finding the Fourth Proportional to 26,011.76, 39,017.64 and 12,170.48

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Solution

The fourth proportional to 26,011.76, 39,017.64 and 12,170.48 is: 18,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,011.76 : 39,017.64 = 12,170.48 : x
  2. Step 2: Convert to fraction form
    26,011.76/39,017.64 = 12,170.48/x
  3. Step 3: Cross multiply
    26,011.76x = 39,017.64 × 12,170.48
  4. Step 4: Simplify right side
    26,011.76x = 474,863,407.27
  5. Step 5: Solve for x
    x = 474,863,407.27/26,011.76
  6. Step 6: Final answer
    x = 18,255.72

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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.