Home / 28,030.62-38,642.07-22,051.92

Finding the Fourth Proportional to 28,030.62, 38,642.07 and 22,051.92

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Solution

The fourth proportional to 28,030.62, 38,642.07 and 22,051.92 is: 30,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.62 : 38,642.07 = 22,051.92 : x
  2. Step 2: Convert to fraction form
    28,030.62/38,642.07 = 22,051.92/x
  3. Step 3: Cross multiply
    28,030.62x = 38,642.07 × 22,051.92
  4. Step 4: Simplify right side
    28,030.62x = 852,131,836.27
  5. Step 5: Solve for x
    x = 852,131,836.27/28,030.62
  6. Step 6: Final answer
    x = 30,400.04

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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.