Home / 32,208.12-44,438.10-20,878.08

Finding the Fourth Proportional to 32,208.12, 44,438.10 and 20,878.08

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Solution

The fourth proportional to 32,208.12, 44,438.10 and 20,878.08 is: 28,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,208.12 : 44,438.10 = 20,878.08 : x
  2. Step 2: Convert to fraction form
    32,208.12/44,438.10 = 20,878.08/x
  3. Step 3: Cross multiply
    32,208.12x = 44,438.10 × 20,878.08
  4. Step 4: Simplify right side
    32,208.12x = 927,782,206.85
  5. Step 5: Solve for x
    x = 927,782,206.85/32,208.12
  6. Step 6: Final answer
    x = 28,805.85

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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.