Home / 26,877.99-37,129.56-21,535.91

Finding the Fourth Proportional to 26,877.99, 37,129.56 and 21,535.91

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Solution

The fourth proportional to 26,877.99, 37,129.56 and 21,535.91 is: 29,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.99 : 37,129.56 = 21,535.91 : x
  2. Step 2: Convert to fraction form
    26,877.99/37,129.56 = 21,535.91/x
  3. Step 3: Cross multiply
    26,877.99x = 37,129.56 × 21,535.91
  4. Step 4: Simplify right side
    26,877.99x = 799,618,862.50
  5. Step 5: Solve for x
    x = 799,618,862.50/26,877.99
  6. Step 6: Final answer
    x = 29,749.95

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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.