Home / 52,777.36-72,832.87-28,578.59

Finding the Fourth Proportional to 52,777.36, 72,832.87 and 28,578.59

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Solution

The fourth proportional to 52,777.36, 72,832.87 and 28,578.59 is: 39,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.36 : 72,832.87 = 28,578.59 : x
  2. Step 2: Convert to fraction form
    52,777.36/72,832.87 = 28,578.59/x
  3. Step 3: Cross multiply
    52,777.36x = 72,832.87 × 28,578.59
  4. Step 4: Simplify right side
    52,777.36x = 2,081,460,730.25
  5. Step 5: Solve for x
    x = 2,081,460,730.25/52,777.36
  6. Step 6: Final answer
    x = 39,438.52

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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.