Home / 28,076.79-38,744.94-15,501.27

Finding the Fourth Proportional to 28,076.79, 38,744.94 and 15,501.27

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Solution

The fourth proportional to 28,076.79, 38,744.94 and 15,501.27 is: 21,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.79 : 38,744.94 = 15,501.27 : x
  2. Step 2: Convert to fraction form
    28,076.79/38,744.94 = 15,501.27/x
  3. Step 3: Cross multiply
    28,076.79x = 38,744.94 × 15,501.27
  4. Step 4: Simplify right side
    28,076.79x = 600,595,776.07
  5. Step 5: Solve for x
    x = 600,595,776.07/28,076.79
  6. Step 6: Final answer
    x = 21,391.18

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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.