Home / 28,193.16-42,291.80-8,473.24

Finding the Fourth Proportional to 28,193.16, 42,291.80 and 8,473.24

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Solution

The fourth proportional to 28,193.16, 42,291.80 and 8,473.24 is: 12,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.16 : 42,291.80 = 8,473.24 : x
  2. Step 2: Convert to fraction form
    28,193.16/42,291.80 = 8,473.24/x
  3. Step 3: Cross multiply
    28,193.16x = 42,291.80 × 8,473.24
  4. Step 4: Simplify right side
    28,193.16x = 358,348,571.43
  5. Step 5: Solve for x
    x = 358,348,571.43/28,193.16
  6. Step 6: Final answer
    x = 12,710.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.