Home / 28,801.93-39,764.79-22,074.88

Finding the Fourth Proportional to 28,801.93, 39,764.79 and 22,074.88

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Solution

The fourth proportional to 28,801.93, 39,764.79 and 22,074.88 is: 30,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.93 : 39,764.79 = 22,074.88 : x
  2. Step 2: Convert to fraction form
    28,801.93/39,764.79 = 22,074.88/x
  3. Step 3: Cross multiply
    28,801.93x = 39,764.79 × 22,074.88
  4. Step 4: Simplify right side
    28,801.93x = 877,802,967.48
  5. Step 5: Solve for x
    x = 877,802,967.48/28,801.93
  6. Step 6: Final answer
    x = 30,477.23

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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.