Home / 28,486.28-39,305.07-16,543.46

Finding the Fourth Proportional to 28,486.28, 39,305.07 and 16,543.46

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Solution

The fourth proportional to 28,486.28, 39,305.07 and 16,543.46 is: 22,826.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.28 : 39,305.07 = 16,543.46 : x
  2. Step 2: Convert to fraction form
    28,486.28/39,305.07 = 16,543.46/x
  3. Step 3: Cross multiply
    28,486.28x = 39,305.07 × 16,543.46
  4. Step 4: Simplify right side
    28,486.28x = 650,241,853.34
  5. Step 5: Solve for x
    x = 650,241,853.34/28,486.28
  6. Step 6: Final answer
    x = 22,826.49

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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.