Home / 28,588.14-39,421.89-22,610.34

Finding the Fourth Proportional to 28,588.14, 39,421.89 and 22,610.34

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Solution

The fourth proportional to 28,588.14, 39,421.89 and 22,610.34 is: 31,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.14 : 39,421.89 = 22,610.34 : x
  2. Step 2: Convert to fraction form
    28,588.14/39,421.89 = 22,610.34/x
  3. Step 3: Cross multiply
    28,588.14x = 39,421.89 × 22,610.34
  4. Step 4: Simplify right side
    28,588.14x = 891,342,336.34
  5. Step 5: Solve for x
    x = 891,342,336.34/28,588.14
  6. Step 6: Final answer
    x = 31,178.75

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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.