Home / 26,751.81-40,127.61-8,031.76

Finding the Fourth Proportional to 26,751.81, 40,127.61 and 8,031.76

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Solution

The fourth proportional to 26,751.81, 40,127.61 and 8,031.76 is: 12,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.81 : 40,127.61 = 8,031.76 : x
  2. Step 2: Convert to fraction form
    26,751.81/40,127.61 = 8,031.76/x
  3. Step 3: Cross multiply
    26,751.81x = 40,127.61 × 8,031.76
  4. Step 4: Simplify right side
    26,751.81x = 322,295,332.89
  5. Step 5: Solve for x
    x = 322,295,332.89/26,751.81
  6. Step 6: Final answer
    x = 12,047.61

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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.