Home / 28,815.24-39,774.88-16,882.38

Finding the Fourth Proportional to 28,815.24, 39,774.88 and 16,882.38

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Solution

The fourth proportional to 28,815.24, 39,774.88 and 16,882.38 is: 23,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.24 : 39,774.88 = 16,882.38 : x
  2. Step 2: Convert to fraction form
    28,815.24/39,774.88 = 16,882.38/x
  3. Step 3: Cross multiply
    28,815.24x = 39,774.88 × 16,882.38
  4. Step 4: Simplify right side
    28,815.24x = 671,494,638.61
  5. Step 5: Solve for x
    x = 671,494,638.61/28,815.24
  6. Step 6: Final answer
    x = 23,303.45

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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.