Home / 20,053.17-30,077.93-15,722.91

Finding the Fourth Proportional to 20,053.17, 30,077.93 and 15,722.91

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Solution

The fourth proportional to 20,053.17, 30,077.93 and 15,722.91 is: 23,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.17 : 30,077.93 = 15,722.91 : x
  2. Step 2: Convert to fraction form
    20,053.17/30,077.93 = 15,722.91/x
  3. Step 3: Cross multiply
    20,053.17x = 30,077.93 × 15,722.91
  4. Step 4: Simplify right side
    20,053.17x = 472,912,625.68
  5. Step 5: Solve for x
    x = 472,912,625.68/20,053.17
  6. Step 6: Final answer
    x = 23,582.94

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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.