Home / 28,532.34-42,775.32-11,904.77

Finding the Fourth Proportional to 28,532.34, 42,775.32 and 11,904.77

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Solution

The fourth proportional to 28,532.34, 42,775.32 and 11,904.77 is: 17,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.34 : 42,775.32 = 11,904.77 : x
  2. Step 2: Convert to fraction form
    28,532.34/42,775.32 = 11,904.77/x
  3. Step 3: Cross multiply
    28,532.34x = 42,775.32 × 11,904.77
  4. Step 4: Simplify right side
    28,532.34x = 509,230,132.40
  5. Step 5: Solve for x
    x = 509,230,132.40/28,532.34
  6. Step 6: Final answer
    x = 17,847.47

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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.