Home / 28,843.94-39,822.65-22,116.63

Finding the Fourth Proportional to 28,843.94, 39,822.65 and 22,116.63

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Solution

The fourth proportional to 28,843.94, 39,822.65 and 22,116.63 is: 30,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.94 : 39,822.65 = 22,116.63 : x
  2. Step 2: Convert to fraction form
    28,843.94/39,822.65 = 22,116.63/x
  3. Step 3: Cross multiply
    28,843.94x = 39,822.65 × 22,116.63
  4. Step 4: Simplify right side
    28,843.94x = 880,742,870.96
  5. Step 5: Solve for x
    x = 880,742,870.96/28,843.94
  6. Step 6: Final answer
    x = 30,534.77

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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.