Home / 26,688.52-40,011.18-11,117.80

Finding the Fourth Proportional to 26,688.52, 40,011.18 and 11,117.80

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Solution

The fourth proportional to 26,688.52, 40,011.18 and 11,117.80 is: 16,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.52 : 40,011.18 = 11,117.80 : x
  2. Step 2: Convert to fraction form
    26,688.52/40,011.18 = 11,117.80/x
  3. Step 3: Cross multiply
    26,688.52x = 40,011.18 × 11,117.80
  4. Step 4: Simplify right side
    26,688.52x = 444,836,297.00
  5. Step 5: Solve for x
    x = 444,836,297.00/26,688.52
  6. Step 6: Final answer
    x = 16,667.70

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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.