Home / 26,548.53-36,638.49-15,219.91

Finding the Fourth Proportional to 26,548.53, 36,638.49 and 15,219.91

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Solution

The fourth proportional to 26,548.53, 36,638.49 and 15,219.91 is: 21,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,548.53 : 36,638.49 = 15,219.91 : x
  2. Step 2: Convert to fraction form
    26,548.53/36,638.49 = 15,219.91/x
  3. Step 3: Cross multiply
    26,548.53x = 36,638.49 × 15,219.91
  4. Step 4: Simplify right side
    26,548.53x = 557,634,520.34
  5. Step 5: Solve for x
    x = 557,634,520.34/26,548.53
  6. Step 6: Final answer
    x = 21,004.35

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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.