Home / 26,877.16-40,315.68-7,155.72

Finding the Fourth Proportional to 26,877.16, 40,315.68 and 7,155.72

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Solution

The fourth proportional to 26,877.16, 40,315.68 and 7,155.72 is: 10,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.16 : 40,315.68 = 7,155.72 : x
  2. Step 2: Convert to fraction form
    26,877.16/40,315.68 = 7,155.72/x
  3. Step 3: Cross multiply
    26,877.16x = 40,315.68 × 7,155.72
  4. Step 4: Simplify right side
    26,877.16x = 288,487,717.69
  5. Step 5: Solve for x
    x = 288,487,717.69/26,877.16
  6. Step 6: Final answer
    x = 10,733.56

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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.