Home / 26,384.40-39,603.88-17,680.14

Finding the Fourth Proportional to 26,384.40, 39,603.88 and 17,680.14

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Solution

The fourth proportional to 26,384.40, 39,603.88 and 17,680.14 is: 26,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,384.40 : 39,603.88 = 17,680.14 : x
  2. Step 2: Convert to fraction form
    26,384.40/39,603.88 = 17,680.14/x
  3. Step 3: Cross multiply
    26,384.40x = 39,603.88 × 17,680.14
  4. Step 4: Simplify right side
    26,384.40x = 700,202,142.94
  5. Step 5: Solve for x
    x = 700,202,142.94/26,384.40
  6. Step 6: Final answer
    x = 26,538.49

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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.