Home / 28,816.04-39,765.38-16,240.52

Finding the Fourth Proportional to 28,816.04, 39,765.38 and 16,240.52

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Solution

The fourth proportional to 28,816.04, 39,765.38 and 16,240.52 is: 22,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.04 : 39,765.38 = 16,240.52 : x
  2. Step 2: Convert to fraction form
    28,816.04/39,765.38 = 16,240.52/x
  3. Step 3: Cross multiply
    28,816.04x = 39,765.38 × 16,240.52
  4. Step 4: Simplify right side
    28,816.04x = 645,810,449.20
  5. Step 5: Solve for x
    x = 645,810,449.20/28,816.04
  6. Step 6: Final answer
    x = 22,411.49

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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.