Home / 52,403.12-72,314.60-28,529.60

Finding the Fourth Proportional to 52,403.12, 72,314.60 and 28,529.60

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Solution

The fourth proportional to 52,403.12, 72,314.60 and 28,529.60 is: 39,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.12 : 72,314.60 = 28,529.60 : x
  2. Step 2: Convert to fraction form
    52,403.12/72,314.60 = 28,529.60/x
  3. Step 3: Cross multiply
    52,403.12x = 72,314.60 × 28,529.60
  4. Step 4: Simplify right side
    52,403.12x = 2,063,106,612.16
  5. Step 5: Solve for x
    x = 2,063,106,612.16/52,403.12
  6. Step 6: Final answer
    x = 39,369.92

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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.