Home / 28,575.40-39,433.62-16,000.60

Finding the Fourth Proportional to 28,575.40, 39,433.62 and 16,000.60

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Solution

The fourth proportional to 28,575.40, 39,433.62 and 16,000.60 is: 22,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.40 : 39,433.62 = 16,000.60 : x
  2. Step 2: Convert to fraction form
    28,575.40/39,433.62 = 16,000.60/x
  3. Step 3: Cross multiply
    28,575.40x = 39,433.62 × 16,000.60
  4. Step 4: Simplify right side
    28,575.40x = 630,961,580.17
  5. Step 5: Solve for x
    x = 630,961,580.17/28,575.40
  6. Step 6: Final answer
    x = 22,080.59

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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.