Home / 22,839.63-31,509.45-15,186.57

Finding the Fourth Proportional to 22,839.63, 31,509.45 and 15,186.57

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Solution

The fourth proportional to 22,839.63, 31,509.45 and 15,186.57 is: 20,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,839.63 : 31,509.45 = 15,186.57 : x
  2. Step 2: Convert to fraction form
    22,839.63/31,509.45 = 15,186.57/x
  3. Step 3: Cross multiply
    22,839.63x = 31,509.45 × 15,186.57
  4. Step 4: Simplify right side
    22,839.63x = 478,520,468.09
  5. Step 5: Solve for x
    x = 478,520,468.09/22,839.63
  6. Step 6: Final answer
    x = 20,951.32

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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.