Home / 52,781.58-72,838.77-28,908.06

Finding the Fourth Proportional to 52,781.58, 72,838.77 and 28,908.06

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Solution

The fourth proportional to 52,781.58, 72,838.77 and 28,908.06 is: 39,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.58 : 72,838.77 = 28,908.06 : x
  2. Step 2: Convert to fraction form
    52,781.58/72,838.77 = 28,908.06/x
  3. Step 3: Cross multiply
    52,781.58x = 72,838.77 × 28,908.06
  4. Step 4: Simplify right side
    52,781.58x = 2,105,627,533.49
  5. Step 5: Solve for x
    x = 2,105,627,533.49/52,781.58
  6. Step 6: Final answer
    x = 39,893.23

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1.5x scale

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.