Home / 20,675.12-30,957.40-16,495.44

Finding the Fourth Proportional to 20,675.12, 30,957.40 and 16,495.44

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Solution

The fourth proportional to 20,675.12, 30,957.40 and 16,495.44 is: 24,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675.12 : 30,957.40 = 16,495.44 : x
  2. Step 2: Convert to fraction form
    20,675.12/30,957.40 = 16,495.44/x
  3. Step 3: Cross multiply
    20,675.12x = 30,957.40 × 16,495.44
  4. Step 4: Simplify right side
    20,675.12x = 510,655,934.26
  5. Step 5: Solve for x
    x = 510,655,934.26/20,675.12
  6. Step 6: Final answer
    x = 24,699.06

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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.