Home / 28,452.48-42,677.28-11,813.28

Finding the Fourth Proportional to 28,452.48, 42,677.28 and 11,813.28

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Solution

The fourth proportional to 28,452.48, 42,677.28 and 11,813.28 is: 17,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.48 : 42,677.28 = 11,813.28 : x
  2. Step 2: Convert to fraction form
    28,452.48/42,677.28 = 11,813.28/x
  3. Step 3: Cross multiply
    28,452.48x = 42,677.28 × 11,813.28
  4. Step 4: Simplify right side
    28,452.48x = 504,158,658.28
  5. Step 5: Solve for x
    x = 504,158,658.28/28,452.48
  6. Step 6: Final answer
    x = 17,719.32

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1.5x scale

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.