Home / 28,616.24-39,494.46-15,872.24

Finding the Fourth Proportional to 28,616.24, 39,494.46 and 15,872.24

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Solution

The fourth proportional to 28,616.24, 39,494.46 and 15,872.24 is: 21,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.24 : 39,494.46 = 15,872.24 : x
  2. Step 2: Convert to fraction form
    28,616.24/39,494.46 = 15,872.24/x
  3. Step 3: Cross multiply
    28,616.24x = 39,494.46 × 15,872.24
  4. Step 4: Simplify right side
    28,616.24x = 626,865,547.79
  5. Step 5: Solve for x
    x = 626,865,547.79/28,616.24
  6. Step 6: Final answer
    x = 21,905.94

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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.