Home / 28,816.08-39,765.66-16,240.84

Finding the Fourth Proportional to 28,816.08, 39,765.66 and 16,240.84

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Solution

The fourth proportional to 28,816.08, 39,765.66 and 16,240.84 is: 22,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.08 : 39,765.66 = 16,240.84 : x
  2. Step 2: Convert to fraction form
    28,816.08/39,765.66 = 16,240.84/x
  3. Step 3: Cross multiply
    28,816.08x = 39,765.66 × 16,240.84
  4. Step 4: Simplify right side
    28,816.08x = 645,827,721.55
  5. Step 5: Solve for x
    x = 645,827,721.55/28,816.08
  6. Step 6: Final answer
    x = 22,412.06

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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.