Home / 28,934.64-39,930.48-16,359.48

Finding the Fourth Proportional to 28,934.64, 39,930.48 and 16,359.48

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Solution

The fourth proportional to 28,934.64, 39,930.48 and 16,359.48 is: 22,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.64 : 39,930.48 = 16,359.48 : x
  2. Step 2: Convert to fraction form
    28,934.64/39,930.48 = 16,359.48/x
  3. Step 3: Cross multiply
    28,934.64x = 39,930.48 × 16,359.48
  4. Step 4: Simplify right side
    28,934.64x = 653,241,888.95
  5. Step 5: Solve for x
    x = 653,241,888.95/28,934.64
  6. Step 6: Final answer
    x = 22,576.47

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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.