Home / 28,798.28-39,728.04-16,854.23

Finding the Fourth Proportional to 28,798.28, 39,728.04 and 16,854.23

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Solution

The fourth proportional to 28,798.28, 39,728.04 and 16,854.23 is: 23,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.28 : 39,728.04 = 16,854.23 : x
  2. Step 2: Convert to fraction form
    28,798.28/39,728.04 = 16,854.23/x
  3. Step 3: Cross multiply
    28,798.28x = 39,728.04 × 16,854.23
  4. Step 4: Simplify right side
    28,798.28x = 669,585,523.61
  5. Step 5: Solve for x
    x = 669,585,523.61/28,798.28
  6. Step 6: Final answer
    x = 23,250.89

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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.