Home / 27,377.07-37,784.18-15,441.51

Finding the Fourth Proportional to 27,377.07, 37,784.18 and 15,441.51

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Solution

The fourth proportional to 27,377.07, 37,784.18 and 15,441.51 is: 21,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.07 : 37,784.18 = 15,441.51 : x
  2. Step 2: Convert to fraction form
    27,377.07/37,784.18 = 15,441.51/x
  3. Step 3: Cross multiply
    27,377.07x = 37,784.18 × 15,441.51
  4. Step 4: Simplify right side
    27,377.07x = 583,444,793.31
  5. Step 5: Solve for x
    x = 583,444,793.31/27,377.07
  6. Step 6: Final answer
    x = 21,311.44

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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.