Home / 28,634.40-42,952.32-11,108.16

Finding the Fourth Proportional to 28,634.40, 42,952.32 and 11,108.16

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Solution

The fourth proportional to 28,634.40, 42,952.32 and 11,108.16 is: 16,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.40 : 42,952.32 = 11,108.16 : x
  2. Step 2: Convert to fraction form
    28,634.40/42,952.32 = 11,108.16/x
  3. Step 3: Cross multiply
    28,634.40x = 42,952.32 × 11,108.16
  4. Step 4: Simplify right side
    28,634.40x = 477,121,242.93
  5. Step 5: Solve for x
    x = 477,121,242.93/28,634.40
  6. Step 6: Final answer
    x = 16,662.52

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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.