Home / 28,775.04-43,168.32-9,056.64

Finding the Fourth Proportional to 28,775.04, 43,168.32 and 9,056.64

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Solution

The fourth proportional to 28,775.04, 43,168.32 and 9,056.64 is: 13,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.04 : 43,168.32 = 9,056.64 : x
  2. Step 2: Convert to fraction form
    28,775.04/43,168.32 = 9,056.64/x
  3. Step 3: Cross multiply
    28,775.04x = 43,168.32 × 9,056.64
  4. Step 4: Simplify right side
    28,775.04x = 390,959,933.64
  5. Step 5: Solve for x
    x = 390,959,933.64/28,775.04
  6. Step 6: Final answer
    x = 13,586.77

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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.