Home / 28,771.68-39,727.44-22,501.92

Finding the Fourth Proportional to 28,771.68, 39,727.44 and 22,501.92

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Solution

The fourth proportional to 28,771.68, 39,727.44 and 22,501.92 is: 31,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.68 : 39,727.44 = 22,501.92 : x
  2. Step 2: Convert to fraction form
    28,771.68/39,727.44 = 22,501.92/x
  3. Step 3: Cross multiply
    28,771.68x = 39,727.44 × 22,501.92
  4. Step 4: Simplify right side
    28,771.68x = 893,943,676.68
  5. Step 5: Solve for x
    x = 893,943,676.68/28,771.68
  6. Step 6: Final answer
    x = 31,070.26

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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.