Home / 28,298.08-42,437.08-8,302.02

Finding the Fourth Proportional to 28,298.08, 42,437.08 and 8,302.02

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Solution

The fourth proportional to 28,298.08, 42,437.08 and 8,302.02 is: 12,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.08 : 42,437.08 = 8,302.02 : x
  2. Step 2: Convert to fraction form
    28,298.08/42,437.08 = 8,302.02/x
  3. Step 3: Cross multiply
    28,298.08x = 42,437.08 × 8,302.02
  4. Step 4: Simplify right side
    28,298.08x = 352,313,486.90
  5. Step 5: Solve for x
    x = 352,313,486.90/28,298.08
  6. Step 6: Final answer
    x = 12,450.08

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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.