Home / 27,529.17-37,933.52-21,155.43

Finding the Fourth Proportional to 27,529.17, 37,933.52 and 21,155.43

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Solution

The fourth proportional to 27,529.17, 37,933.52 and 21,155.43 is: 29,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,529.17 : 37,933.52 = 21,155.43 : x
  2. Step 2: Convert to fraction form
    27,529.17/37,933.52 = 21,155.43/x
  3. Step 3: Cross multiply
    27,529.17x = 37,933.52 × 21,155.43
  4. Step 4: Simplify right side
    27,529.17x = 802,499,750.11
  5. Step 5: Solve for x
    x = 802,499,750.11/27,529.17
  6. Step 6: Final answer
    x = 29,150.89

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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.