Home / 28,893.65-39,869.32-16,145.24

Finding the Fourth Proportional to 28,893.65, 39,869.32 and 16,145.24

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Solution

The fourth proportional to 28,893.65, 39,869.32 and 16,145.24 is: 22,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.65 : 39,869.32 = 16,145.24 : x
  2. Step 2: Convert to fraction form
    28,893.65/39,869.32 = 16,145.24/x
  3. Step 3: Cross multiply
    28,893.65x = 39,869.32 × 16,145.24
  4. Step 4: Simplify right side
    28,893.65x = 643,699,500.33
  5. Step 5: Solve for x
    x = 643,699,500.33/28,893.65
  6. Step 6: Final answer
    x = 22,278.23

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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.