Home / 26,490.88-39,743.76-21,548.16

Finding the Fourth Proportional to 26,490.88, 39,743.76 and 21,548.16

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Solution

The fourth proportional to 26,490.88, 39,743.76 and 21,548.16 is: 32,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.88 : 39,743.76 = 21,548.16 : x
  2. Step 2: Convert to fraction form
    26,490.88/39,743.76 = 21,548.16/x
  3. Step 3: Cross multiply
    26,490.88x = 39,743.76 × 21,548.16
  4. Step 4: Simplify right side
    26,490.88x = 856,404,899.48
  5. Step 5: Solve for x
    x = 856,404,899.48/26,490.88
  6. Step 6: Final answer
    x = 32,328.29

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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.