Home / 28,224.40-38,870.88-27,612.08

Finding the Fourth Proportional to 28,224.40, 38,870.88 and 27,612.08

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Solution

The fourth proportional to 28,224.40, 38,870.88 and 27,612.08 is: 38,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.40 : 38,870.88 = 27,612.08 : x
  2. Step 2: Convert to fraction form
    28,224.40/38,870.88 = 27,612.08/x
  3. Step 3: Cross multiply
    28,224.40x = 38,870.88 × 27,612.08
  4. Step 4: Simplify right side
    28,224.40x = 1,073,305,848.23
  5. Step 5: Solve for x
    x = 1,073,305,848.23/28,224.40
  6. Step 6: Final answer
    x = 38,027.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.