Home / 28,684.36-39,585.29-17,355.93

Finding the Fourth Proportional to 28,684.36, 39,585.29 and 17,355.93

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Solution

The fourth proportional to 28,684.36, 39,585.29 and 17,355.93 is: 23,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.36 : 39,585.29 = 17,355.93 : x
  2. Step 2: Convert to fraction form
    28,684.36/39,585.29 = 17,355.93/x
  3. Step 3: Cross multiply
    28,684.36x = 39,585.29 × 17,355.93
  4. Step 4: Simplify right side
    28,684.36x = 687,039,522.27
  5. Step 5: Solve for x
    x = 687,039,522.27/28,684.36
  6. Step 6: Final answer
    x = 23,951.71

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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.