Home / 28,924.56-39,916.80-16,350.12

Finding the Fourth Proportional to 28,924.56, 39,916.80 and 16,350.12

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Solution

The fourth proportional to 28,924.56, 39,916.80 and 16,350.12 is: 22,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.56 : 39,916.80 = 16,350.12 : x
  2. Step 2: Convert to fraction form
    28,924.56/39,916.80 = 16,350.12/x
  3. Step 3: Cross multiply
    28,924.56x = 39,916.80 × 16,350.12
  4. Step 4: Simplify right side
    28,924.56x = 652,644,470.02
  5. Step 5: Solve for x
    x = 652,644,470.02/28,924.56
  6. Step 6: Final answer
    x = 22,563.68

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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.