Home / 28,310.00-42,446.39-15,831.32

Finding the Fourth Proportional to 28,310.00, 42,446.39 and 15,831.32

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Solution

The fourth proportional to 28,310.00, 42,446.39 and 15,831.32 is: 23,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.00 : 42,446.39 = 15,831.32 : x
  2. Step 2: Convert to fraction form
    28,310.00/42,446.39 = 15,831.32/x
  3. Step 3: Cross multiply
    28,310.00x = 42,446.39 × 15,831.32
  4. Step 4: Simplify right side
    28,310.00x = 671,982,091.55
  5. Step 5: Solve for x
    x = 671,982,091.55/28,310.00
  6. Step 6: Final answer
    x = 23,736.57

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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.