Home / 28,546.40-39,392.88-16,610.08

Finding the Fourth Proportional to 28,546.40, 39,392.88 and 16,610.08

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Solution

The fourth proportional to 28,546.40, 39,392.88 and 16,610.08 is: 22,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.40 : 39,392.88 = 16,610.08 : x
  2. Step 2: Convert to fraction form
    28,546.40/39,392.88 = 16,610.08/x
  3. Step 3: Cross multiply
    28,546.40x = 39,392.88 × 16,610.08
  4. Step 4: Simplify right side
    28,546.40x = 654,318,888.23
  5. Step 5: Solve for x
    x = 654,318,888.23/28,546.40
  6. Step 6: Final answer
    x = 22,921.24

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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.