Home / 28,902.18-43,356.74-10,178.34

Finding the Fourth Proportional to 28,902.18, 43,356.74 and 10,178.34

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Solution

The fourth proportional to 28,902.18, 43,356.74 and 10,178.34 is: 15,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.18 : 43,356.74 = 10,178.34 : x
  2. Step 2: Convert to fraction form
    28,902.18/43,356.74 = 10,178.34/x
  3. Step 3: Cross multiply
    28,902.18x = 43,356.74 × 10,178.34
  4. Step 4: Simplify right side
    28,902.18x = 441,299,590.12
  5. Step 5: Solve for x
    x = 441,299,590.12/28,902.18
  6. Step 6: Final answer
    x = 15,268.73

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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.