Home / 21,575.31-32,341.05-16,370.25

Finding the Fourth Proportional to 21,575.31, 32,341.05 and 16,370.25

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Solution

The fourth proportional to 21,575.31, 32,341.05 and 16,370.25 is: 24,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.31 : 32,341.05 = 16,370.25 : x
  2. Step 2: Convert to fraction form
    21,575.31/32,341.05 = 16,370.25/x
  3. Step 3: Cross multiply
    21,575.31x = 32,341.05 × 16,370.25
  4. Step 4: Simplify right side
    21,575.31x = 529,431,073.76
  5. Step 5: Solve for x
    x = 529,431,073.76/21,575.31
  6. Step 6: Final answer
    x = 24,538.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.