Home / 28,710.74-39,616.01-15,963.56

Finding the Fourth Proportional to 28,710.74, 39,616.01 and 15,963.56

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Solution

The fourth proportional to 28,710.74, 39,616.01 and 15,963.56 is: 22,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710.74 : 39,616.01 = 15,963.56 : x
  2. Step 2: Convert to fraction form
    28,710.74/39,616.01 = 15,963.56/x
  3. Step 3: Cross multiply
    28,710.74x = 39,616.01 × 15,963.56
  4. Step 4: Simplify right side
    28,710.74x = 632,412,552.60
  5. Step 5: Solve for x
    x = 632,412,552.60/28,710.74
  6. Step 6: Final answer
    x = 22,027.04

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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.