Home / 28,931.13-43,347.15-15,792.71

Finding the Fourth Proportional to 28,931.13, 43,347.15 and 15,792.71

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Solution

The fourth proportional to 28,931.13, 43,347.15 and 15,792.71 is: 23,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.13 : 43,347.15 = 15,792.71 : x
  2. Step 2: Convert to fraction form
    28,931.13/43,347.15 = 15,792.71/x
  3. Step 3: Cross multiply
    28,931.13x = 43,347.15 × 15,792.71
  4. Step 4: Simplify right side
    28,931.13x = 684,568,752.54
  5. Step 5: Solve for x
    x = 684,568,752.54/28,931.13
  6. Step 6: Final answer
    x = 23,662.01

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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.