Home / 28,181.24-38,890.04-16,244.51

Finding the Fourth Proportional to 28,181.24, 38,890.04 and 16,244.51

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Solution

The fourth proportional to 28,181.24, 38,890.04 and 16,244.51 is: 22,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.24 : 38,890.04 = 16,244.51 : x
  2. Step 2: Convert to fraction form
    28,181.24/38,890.04 = 16,244.51/x
  3. Step 3: Cross multiply
    28,181.24x = 38,890.04 × 16,244.51
  4. Step 4: Simplify right side
    28,181.24x = 631,749,562.46
  5. Step 5: Solve for x
    x = 631,749,562.46/28,181.24
  6. Step 6: Final answer
    x = 22,417.38

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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.