Home / 52,771.40-72,823.54-28,897.64

Finding the Fourth Proportional to 52,771.40, 72,823.54 and 28,897.64

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Solution

The fourth proportional to 52,771.40, 72,823.54 and 28,897.64 is: 39,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.40 : 72,823.54 = 28,897.64 : x
  2. Step 2: Convert to fraction form
    52,771.40/72,823.54 = 28,897.64/x
  3. Step 3: Cross multiply
    52,771.40x = 72,823.54 × 28,897.64
  4. Step 4: Simplify right side
    52,771.40x = 2,104,428,442.45
  5. Step 5: Solve for x
    x = 2,104,428,442.45/52,771.40
  6. Step 6: Final answer
    x = 39,878.20

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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.