Home / 28,396.40-42,592.72-11,752.08

Finding the Fourth Proportional to 28,396.40, 42,592.72 and 11,752.08

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Solution

The fourth proportional to 28,396.40, 42,592.72 and 11,752.08 is: 17,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.40 : 42,592.72 = 11,752.08 : x
  2. Step 2: Convert to fraction form
    28,396.40/42,592.72 = 11,752.08/x
  3. Step 3: Cross multiply
    28,396.40x = 42,592.72 × 11,752.08
  4. Step 4: Simplify right side
    28,396.40x = 500,553,052.86
  5. Step 5: Solve for x
    x = 500,553,052.86/28,396.40
  6. Step 6: Final answer
    x = 17,627.34

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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.