Home / 28,624.32-39,506.40-16,691.04

Finding the Fourth Proportional to 28,624.32, 39,506.40 and 16,691.04

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Solution

The fourth proportional to 28,624.32, 39,506.40 and 16,691.04 is: 23,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,624.32 : 39,506.40 = 16,691.04 : x
  2. Step 2: Convert to fraction form
    28,624.32/39,506.40 = 16,691.04/x
  3. Step 3: Cross multiply
    28,624.32x = 39,506.40 × 16,691.04
  4. Step 4: Simplify right side
    28,624.32x = 659,402,902.66
  5. Step 5: Solve for x
    x = 659,402,902.66/28,624.32
  6. Step 6: Final answer
    x = 23,036.46

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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.