Home / 22,130.83-30,752.67-21,903.27

Finding the Fourth Proportional to 22,130.83, 30,752.67 and 21,903.27

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Solution

The fourth proportional to 22,130.83, 30,752.67 and 21,903.27 is: 30,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.83 : 30,752.67 = 21,903.27 : x
  2. Step 2: Convert to fraction form
    22,130.83/30,752.67 = 21,903.27/x
  3. Step 3: Cross multiply
    22,130.83x = 30,752.67 × 21,903.27
  4. Step 4: Simplify right side
    22,130.83x = 673,584,034.23
  5. Step 5: Solve for x
    x = 673,584,034.23/22,130.83
  6. Step 6: Final answer
    x = 30,436.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.