Home / 52,781.36-72,838.40-28,582.60

Finding the Fourth Proportional to 52,781.36, 72,838.40 and 28,582.60

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Solution

The fourth proportional to 52,781.36, 72,838.40 and 28,582.60 is: 39,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.36 : 72,838.40 = 28,582.60 : x
  2. Step 2: Convert to fraction form
    52,781.36/72,838.40 = 28,582.60/x
  3. Step 3: Cross multiply
    52,781.36x = 72,838.40 × 28,582.60
  4. Step 4: Simplify right side
    52,781.36x = 2,081,910,851.84
  5. Step 5: Solve for x
    x = 2,081,910,851.84/52,781.36
  6. Step 6: Final answer
    x = 39,444.05

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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.