Home / 52,295.13-72,164.28-28,421.64

Finding the Fourth Proportional to 52,295.13, 72,164.28 and 28,421.64

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Solution

The fourth proportional to 52,295.13, 72,164.28 and 28,421.64 is: 39,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.13 : 72,164.28 = 28,421.64 : x
  2. Step 2: Convert to fraction form
    52,295.13/72,164.28 = 28,421.64/x
  3. Step 3: Cross multiply
    52,295.13x = 72,164.28 × 28,421.64
  4. Step 4: Simplify right side
    52,295.13x = 2,051,027,187.02
  5. Step 5: Solve for x
    x = 2,051,027,187.02/52,295.13
  6. Step 6: Final answer
    x = 39,220.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.