Home / 28,818.99-43,224.84-7,760.71

Finding the Fourth Proportional to 28,818.99, 43,224.84 and 7,760.71

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Solution

The fourth proportional to 28,818.99, 43,224.84 and 7,760.71 is: 11,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.99 : 43,224.84 = 7,760.71 : x
  2. Step 2: Convert to fraction form
    28,818.99/43,224.84 = 7,760.71/x
  3. Step 3: Cross multiply
    28,818.99x = 43,224.84 × 7,760.71
  4. Step 4: Simplify right side
    28,818.99x = 335,455,502.07
  5. Step 5: Solve for x
    x = 335,455,502.07/28,818.99
  6. Step 6: Final answer
    x = 11,640.09

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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.