Home / 28,249.52-38,984.36-15,674.26

Finding the Fourth Proportional to 28,249.52, 38,984.36 and 15,674.26

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Solution

The fourth proportional to 28,249.52, 38,984.36 and 15,674.26 is: 21,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.52 : 38,984.36 = 15,674.26 : x
  2. Step 2: Convert to fraction form
    28,249.52/38,984.36 = 15,674.26/x
  3. Step 3: Cross multiply
    28,249.52x = 38,984.36 × 15,674.26
  4. Step 4: Simplify right side
    28,249.52x = 611,050,994.57
  5. Step 5: Solve for x
    x = 611,050,994.57/28,249.52
  6. Step 6: Final answer
    x = 21,630.49

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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.