Home / 52,201.60-72,038.26-28,328.28

Finding the Fourth Proportional to 52,201.60, 72,038.26 and 28,328.28

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Solution

The fourth proportional to 52,201.60, 72,038.26 and 28,328.28 is: 39,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.60 : 72,038.26 = 28,328.28 : x
  2. Step 2: Convert to fraction form
    52,201.60/72,038.26 = 28,328.28/x
  3. Step 3: Cross multiply
    52,201.60x = 72,038.26 × 28,328.28
  4. Step 4: Simplify right side
    52,201.60x = 2,040,719,580.16
  5. Step 5: Solve for x
    x = 2,040,719,580.16/52,201.60
  6. Step 6: Final answer
    x = 39,093.05

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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.