Home / 21,230.27-31,803.86-17,487.41

Finding the Fourth Proportional to 21,230.27, 31,803.86 and 17,487.41

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Solution

The fourth proportional to 21,230.27, 31,803.86 and 17,487.41 is: 26,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,230.27 : 31,803.86 = 17,487.41 : x
  2. Step 2: Convert to fraction form
    21,230.27/31,803.86 = 17,487.41/x
  3. Step 3: Cross multiply
    21,230.27x = 31,803.86 × 17,487.41
  4. Step 4: Simplify right side
    21,230.27x = 556,166,892.95
  5. Step 5: Solve for x
    x = 556,166,892.95/21,230.27
  6. Step 6: Final answer
    x = 26,196.89

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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.