Home / 28,718.24-43,033.38-19,323.47

Finding the Fourth Proportional to 28,718.24, 43,033.38 and 19,323.47

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Solution

The fourth proportional to 28,718.24, 43,033.38 and 19,323.47 is: 28,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718.24 : 43,033.38 = 19,323.47 : x
  2. Step 2: Convert to fraction form
    28,718.24/43,033.38 = 19,323.47/x
  3. Step 3: Cross multiply
    28,718.24x = 43,033.38 × 19,323.47
  4. Step 4: Simplify right side
    28,718.24x = 831,554,227.43
  5. Step 5: Solve for x
    x = 831,554,227.43/28,718.24
  6. Step 6: Final answer
    x = 28,955.61

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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.