Home / 28,648.35-39,534.77-15,901.07

Finding the Fourth Proportional to 28,648.35, 39,534.77 and 15,901.07

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Solution

The fourth proportional to 28,648.35, 39,534.77 and 15,901.07 is: 21,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.35 : 39,534.77 = 15,901.07 : x
  2. Step 2: Convert to fraction form
    28,648.35/39,534.77 = 15,901.07/x
  3. Step 3: Cross multiply
    28,648.35x = 39,534.77 × 15,901.07
  4. Step 4: Simplify right side
    28,648.35x = 628,645,065.70
  5. Step 5: Solve for x
    x = 628,645,065.70/28,648.35
  6. Step 6: Final answer
    x = 21,943.50

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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.