Home / 28,831.27-43,256.63-28,636.87

Finding the Fourth Proportional to 28,831.27, 43,256.63 and 28,636.87

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Solution

The fourth proportional to 28,831.27, 43,256.63 and 28,636.87 is: 42,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.27 : 43,256.63 = 28,636.87 : x
  2. Step 2: Convert to fraction form
    28,831.27/43,256.63 = 28,636.87/x
  3. Step 3: Cross multiply
    28,831.27x = 43,256.63 × 28,636.87
  4. Step 4: Simplify right side
    28,831.27x = 1,238,734,346.76
  5. Step 5: Solve for x
    x = 1,238,734,346.76/28,831.27
  6. Step 6: Final answer
    x = 42,964.96

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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.