Home / 28,574.20-39,429.48-16,476.04

Finding the Fourth Proportional to 28,574.20, 39,429.48 and 16,476.04

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Solution

The fourth proportional to 28,574.20, 39,429.48 and 16,476.04 is: 22,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.20 : 39,429.48 = 16,476.04 : x
  2. Step 2: Convert to fraction form
    28,574.20/39,429.48 = 16,476.04/x
  3. Step 3: Cross multiply
    28,574.20x = 39,429.48 × 16,476.04
  4. Step 4: Simplify right side
    28,574.20x = 649,641,689.66
  5. Step 5: Solve for x
    x = 649,641,689.66/28,574.20
  6. Step 6: Final answer
    x = 22,735.25

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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.