Home / 28,624.19-39,515.04-19,079.96

Finding the Fourth Proportional to 28,624.19, 39,515.04 and 19,079.96

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Solution

The fourth proportional to 28,624.19, 39,515.04 and 19,079.96 is: 26,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,624.19 : 39,515.04 = 19,079.96 : x
  2. Step 2: Convert to fraction form
    28,624.19/39,515.04 = 19,079.96/x
  3. Step 3: Cross multiply
    28,624.19x = 39,515.04 × 19,079.96
  4. Step 4: Simplify right side
    28,624.19x = 753,945,185.02
  5. Step 5: Solve for x
    x = 753,945,185.02/28,624.19
  6. Step 6: Final answer
    x = 26,339.45

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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.