Home / 26,618.88-36,732.81-15,280.50

Finding the Fourth Proportional to 26,618.88, 36,732.81 and 15,280.50

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Solution

The fourth proportional to 26,618.88, 36,732.81 and 15,280.50 is: 21,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.88 : 36,732.81 = 15,280.50 : x
  2. Step 2: Convert to fraction form
    26,618.88/36,732.81 = 15,280.50/x
  3. Step 3: Cross multiply
    26,618.88x = 36,732.81 × 15,280.50
  4. Step 4: Simplify right side
    26,618.88x = 561,295,703.21
  5. Step 5: Solve for x
    x = 561,295,703.21/26,618.88
  6. Step 6: Final answer
    x = 21,086.38

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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.