Home / 28,892.24-39,871.08-15,644.24

Finding the Fourth Proportional to 28,892.24, 39,871.08 and 15,644.24

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Solution

The fourth proportional to 28,892.24, 39,871.08 and 15,644.24 is: 21,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.24 : 39,871.08 = 15,644.24 : x
  2. Step 2: Convert to fraction form
    28,892.24/39,871.08 = 15,644.24/x
  3. Step 3: Cross multiply
    28,892.24x = 39,871.08 × 15,644.24
  4. Step 4: Simplify right side
    28,892.24x = 623,752,744.58
  5. Step 5: Solve for x
    x = 623,752,744.58/28,892.24
  6. Step 6: Final answer
    x = 21,588.94

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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.