Home / 28,871.15-43,290.18-8,875.44

Finding the Fourth Proportional to 28,871.15, 43,290.18 and 8,875.44

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Solution

The fourth proportional to 28,871.15, 43,290.18 and 8,875.44 is: 13,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.15 : 43,290.18 = 8,875.44 : x
  2. Step 2: Convert to fraction form
    28,871.15/43,290.18 = 8,875.44/x
  3. Step 3: Cross multiply
    28,871.15x = 43,290.18 × 8,875.44
  4. Step 4: Simplify right side
    28,871.15x = 384,219,395.18
  5. Step 5: Solve for x
    x = 384,219,395.18/28,871.15
  6. Step 6: Final answer
    x = 13,308.07

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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.