Home / 28,888.24-39,827.22-22,939.60

Finding the Fourth Proportional to 28,888.24, 39,827.22 and 22,939.60

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Solution

The fourth proportional to 28,888.24, 39,827.22 and 22,939.60 is: 31,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.24 : 39,827.22 = 22,939.60 : x
  2. Step 2: Convert to fraction form
    28,888.24/39,827.22 = 22,939.60/x
  3. Step 3: Cross multiply
    28,888.24x = 39,827.22 × 22,939.60
  4. Step 4: Simplify right side
    28,888.24x = 913,620,495.91
  5. Step 5: Solve for x
    x = 913,620,495.91/28,888.24
  6. Step 6: Final answer
    x = 31,626.04

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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.