Home / 19,121.38-26,376.87-17,768.29

Finding the Fourth Proportional to 19,121.38, 26,376.87 and 17,768.29

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Solution

The fourth proportional to 19,121.38, 26,376.87 and 17,768.29 is: 24,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.38 : 26,376.87 = 17,768.29 : x
  2. Step 2: Convert to fraction form
    19,121.38/26,376.87 = 17,768.29/x
  3. Step 3: Cross multiply
    19,121.38x = 26,376.87 × 17,768.29
  4. Step 4: Simplify right side
    19,121.38x = 468,671,875.45
  5. Step 5: Solve for x
    x = 468,671,875.45/19,121.38
  6. Step 6: Final answer
    x = 24,510.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.