Home / 20,724.84-28,587.06-16,953.48

Finding the Fourth Proportional to 20,724.84, 28,587.06 and 16,953.48

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Solution

The fourth proportional to 20,724.84, 28,587.06 and 16,953.48 is: 23,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.84 : 28,587.06 = 16,953.48 : x
  2. Step 2: Convert to fraction form
    20,724.84/28,587.06 = 16,953.48/x
  3. Step 3: Cross multiply
    20,724.84x = 28,587.06 × 16,953.48
  4. Step 4: Simplify right side
    20,724.84x = 484,650,149.97
  5. Step 5: Solve for x
    x = 484,650,149.97/20,724.84
  6. Step 6: Final answer
    x = 23,384.99

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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.