Home / 28,715.46-39,629.01-16,141.02

Finding the Fourth Proportional to 28,715.46, 39,629.01 and 16,141.02

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Solution

The fourth proportional to 28,715.46, 39,629.01 and 16,141.02 is: 22,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.46 : 39,629.01 = 16,141.02 : x
  2. Step 2: Convert to fraction form
    28,715.46/39,629.01 = 16,141.02/x
  3. Step 3: Cross multiply
    28,715.46x = 39,629.01 × 16,141.02
  4. Step 4: Simplify right side
    28,715.46x = 639,652,642.99
  5. Step 5: Solve for x
    x = 639,652,642.99/28,715.46
  6. Step 6: Final answer
    x = 22,275.55

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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.