Home / 28,080.08-42,115.28-9,358

Finding the Fourth Proportional to 28,080.08, 42,115.28 and 9,358

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Solution

The fourth proportional to 28,080.08, 42,115.28 and 9,358 is: 14,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.08 : 42,115.28 = 9,358 : x
  2. Step 2: Convert to fraction form
    28,080.08/42,115.28 = 9,358/x
  3. Step 3: Cross multiply
    28,080.08x = 42,115.28 × 9,358
  4. Step 4: Simplify right side
    28,080.08x = 394,114,790.24
  5. Step 5: Solve for x
    x = 394,114,790.24/28,080.08
  6. Step 6: Final answer
    x = 14,035.39

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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.