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Finding the Fourth Proportional to 26,776, 36,950.88 and 18,397.36

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Solution

The fourth proportional to 26,776, 36,950.88 and 18,397.36 is: 25,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,776 : 36,950.88 = 18,397.36 : x
  2. Step 2: Convert to fraction form
    26,776/36,950.88 = 18,397.36/x
  3. Step 3: Cross multiply
    26,776x = 36,950.88 × 18,397.36
  4. Step 4: Simplify right side
    26,776x = 679,798,641.68
  5. Step 5: Solve for x
    x = 679,798,641.68/26,776
  6. Step 6: Final answer
    x = 25,388.36

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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.