Home / 28,512.63-42,663-17,933.24

Finding the Fourth Proportional to 28,512.63, 42,663 and 17,933.24

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Solution

The fourth proportional to 28,512.63, 42,663 and 17,933.24 is: 26,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.63 : 42,663 = 17,933.24 : x
  2. Step 2: Convert to fraction form
    28,512.63/42,663 = 17,933.24/x
  3. Step 3: Cross multiply
    28,512.63x = 42,663 × 17,933.24
  4. Step 4: Simplify right side
    28,512.63x = 765,085,604.81
  5. Step 5: Solve for x
    x = 765,085,604.81/28,512.63
  6. Step 6: Final answer
    x = 26,833.22

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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.