Home / 28,697.22-43,043.40-9,972.45

Finding the Fourth Proportional to 28,697.22, 43,043.40 and 9,972.45

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Solution

The fourth proportional to 28,697.22, 43,043.40 and 9,972.45 is: 14,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.22 : 43,043.40 = 9,972.45 : x
  2. Step 2: Convert to fraction form
    28,697.22/43,043.40 = 9,972.45/x
  3. Step 3: Cross multiply
    28,697.22x = 43,043.40 × 9,972.45
  4. Step 4: Simplify right side
    28,697.22x = 429,248,154.33
  5. Step 5: Solve for x
    x = 429,248,154.33/28,697.22
  6. Step 6: Final answer
    x = 14,957.83

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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.