Home / 28,248.28-38,982.27-16,311.35

Finding the Fourth Proportional to 28,248.28, 38,982.27 and 16,311.35

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Solution

The fourth proportional to 28,248.28, 38,982.27 and 16,311.35 is: 22,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.28 : 38,982.27 = 16,311.35 : x
  2. Step 2: Convert to fraction form
    28,248.28/38,982.27 = 16,311.35/x
  3. Step 3: Cross multiply
    28,248.28x = 38,982.27 × 16,311.35
  4. Step 4: Simplify right side
    28,248.28x = 635,853,547.22
  5. Step 5: Solve for x
    x = 635,853,547.22/28,248.28
  6. Step 6: Final answer
    x = 22,509.46

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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.