Home / 28,882.80-43,266.60-15,715.44

Finding the Fourth Proportional to 28,882.80, 43,266.60 and 15,715.44

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Solution

The fourth proportional to 28,882.80, 43,266.60 and 15,715.44 is: 23,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.80 : 43,266.60 = 15,715.44 : x
  2. Step 2: Convert to fraction form
    28,882.80/43,266.60 = 15,715.44/x
  3. Step 3: Cross multiply
    28,882.80x = 43,266.60 × 15,715.44
  4. Step 4: Simplify right side
    28,882.80x = 679,953,656.30
  5. Step 5: Solve for x
    x = 679,953,656.30/28,882.80
  6. Step 6: Final answer
    x = 23,541.82

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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.