Home / 28,394.40-42,522.48-19,132.32

Finding the Fourth Proportional to 28,394.40, 42,522.48 and 19,132.32

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Solution

The fourth proportional to 28,394.40, 42,522.48 and 19,132.32 is: 28,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.40 : 42,522.48 = 19,132.32 : x
  2. Step 2: Convert to fraction form
    28,394.40/42,522.48 = 19,132.32/x
  3. Step 3: Cross multiply
    28,394.40x = 42,522.48 × 19,132.32
  4. Step 4: Simplify right side
    28,394.40x = 813,553,694.55
  5. Step 5: Solve for x
    x = 813,553,694.55/28,394.40
  6. Step 6: Final answer
    x = 28,651.91

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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.