Home / 21,263.56-31,895.36-17,549.80

Finding the Fourth Proportional to 21,263.56, 31,895.36 and 17,549.80

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Solution

The fourth proportional to 21,263.56, 31,895.36 and 17,549.80 is: 26,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.56 : 31,895.36 = 17,549.80 : x
  2. Step 2: Convert to fraction form
    21,263.56/31,895.36 = 17,549.80/x
  3. Step 3: Cross multiply
    21,263.56x = 31,895.36 × 17,549.80
  4. Step 4: Simplify right side
    21,263.56x = 559,757,188.93
  5. Step 5: Solve for x
    x = 559,757,188.93/21,263.56
  6. Step 6: Final answer
    x = 26,324.72

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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.