Home / 52,558.77-72,531.36-28,686

Finding the Fourth Proportional to 52,558.77, 72,531.36 and 28,686

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Solution

The fourth proportional to 52,558.77, 72,531.36 and 28,686 is: 39,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,558.77 : 72,531.36 = 28,686 : x
  2. Step 2: Convert to fraction form
    52,558.77/72,531.36 = 28,686/x
  3. Step 3: Cross multiply
    52,558.77x = 72,531.36 × 28,686
  4. Step 4: Simplify right side
    52,558.77x = 2,080,634,592.96
  5. Step 5: Solve for x
    x = 2,080,634,592.96/52,558.77
  6. Step 6: Final answer
    x = 39,586.82

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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.