Home / 17,781.28-26,673.28-5,300.35

Finding the Fourth Proportional to 17,781.28, 26,673.28 and 5,300.35

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Solution

The fourth proportional to 17,781.28, 26,673.28 and 5,300.35 is: 7,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.28 : 26,673.28 = 5,300.35 : x
  2. Step 2: Convert to fraction form
    17,781.28/26,673.28 = 5,300.35/x
  3. Step 3: Cross multiply
    17,781.28x = 26,673.28 × 5,300.35
  4. Step 4: Simplify right side
    17,781.28x = 141,377,639.71
  5. Step 5: Solve for x
    x = 141,377,639.71/17,781.28
  6. Step 6: Final answer
    x = 7,950.93

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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.