Home / 28,045.08-42,062.64-10,272

Finding the Fourth Proportional to 28,045.08, 42,062.64 and 10,272

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Solution

The fourth proportional to 28,045.08, 42,062.64 and 10,272 is: 15,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.08 : 42,062.64 = 10,272 : x
  2. Step 2: Convert to fraction form
    28,045.08/42,062.64 = 10,272/x
  3. Step 3: Cross multiply
    28,045.08x = 42,062.64 × 10,272
  4. Step 4: Simplify right side
    28,045.08x = 432,067,438.08
  5. Step 5: Solve for x
    x = 432,067,438.08/28,045.08
  6. Step 6: Final answer
    x = 15,406.18

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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.