Home / 20,616.71-30,876.93-15,056.27

Finding the Fourth Proportional to 20,616.71, 30,876.93 and 15,056.27

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Solution

The fourth proportional to 20,616.71, 30,876.93 and 15,056.27 is: 22,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.71 : 30,876.93 = 15,056.27 : x
  2. Step 2: Convert to fraction form
    20,616.71/30,876.93 = 15,056.27/x
  3. Step 3: Cross multiply
    20,616.71x = 30,876.93 × 15,056.27
  4. Step 4: Simplify right side
    20,616.71x = 464,891,240.47
  5. Step 5: Solve for x
    x = 464,891,240.47/20,616.71
  6. Step 6: Final answer
    x = 22,549.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.