Home / 28,558.84-42,831.36-11,017.48

Finding the Fourth Proportional to 28,558.84, 42,831.36 and 11,017.48

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Solution

The fourth proportional to 28,558.84, 42,831.36 and 11,017.48 is: 16,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.84 : 42,831.36 = 11,017.48 : x
  2. Step 2: Convert to fraction form
    28,558.84/42,831.36 = 11,017.48/x
  3. Step 3: Cross multiply
    28,558.84x = 42,831.36 × 11,017.48
  4. Step 4: Simplify right side
    28,558.84x = 471,893,652.17
  5. Step 5: Solve for x
    x = 471,893,652.17/28,558.84
  6. Step 6: Final answer
    x = 16,523.56

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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.