Home / 21,880.86-30,236.45-17,900.52

Finding the Fourth Proportional to 21,880.86, 30,236.45 and 17,900.52

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Solution

The fourth proportional to 21,880.86, 30,236.45 and 17,900.52 is: 24,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880.86 : 30,236.45 = 17,900.52 : x
  2. Step 2: Convert to fraction form
    21,880.86/30,236.45 = 17,900.52/x
  3. Step 3: Cross multiply
    21,880.86x = 30,236.45 × 17,900.52
  4. Step 4: Simplify right side
    21,880.86x = 541,248,177.95
  5. Step 5: Solve for x
    x = 541,248,177.95/21,880.86
  6. Step 6: Final answer
    x = 24,736.15

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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.