Home / 28,940.86-39,931.95-17,616.25

Finding the Fourth Proportional to 28,940.86, 39,931.95 and 17,616.25

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Solution

The fourth proportional to 28,940.86, 39,931.95 and 17,616.25 is: 24,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.86 : 39,931.95 = 17,616.25 : x
  2. Step 2: Convert to fraction form
    28,940.86/39,931.95 = 17,616.25/x
  3. Step 3: Cross multiply
    28,940.86x = 39,931.95 × 17,616.25
  4. Step 4: Simplify right side
    28,940.86x = 703,451,214.19
  5. Step 5: Solve for x
    x = 703,451,214.19/28,940.86
  6. Step 6: Final answer
    x = 24,306.51

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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.