Home / 17,920.68-26,877.99-5,437.71

Finding the Fourth Proportional to 17,920.68, 26,877.99 and 5,437.71

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Solution

The fourth proportional to 17,920.68, 26,877.99 and 5,437.71 is: 8,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.68 : 26,877.99 = 5,437.71 : x
  2. Step 2: Convert to fraction form
    17,920.68/26,877.99 = 5,437.71/x
  3. Step 3: Cross multiply
    17,920.68x = 26,877.99 × 5,437.71
  4. Step 4: Simplify right side
    17,920.68x = 146,154,715.00
  5. Step 5: Solve for x
    x = 146,154,715.00/17,920.68
  6. Step 6: Final answer
    x = 8,155.65

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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.