Home / 52,268.85-72,128.28-28,395.45

Finding the Fourth Proportional to 52,268.85, 72,128.28 and 28,395.45

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Solution

The fourth proportional to 52,268.85, 72,128.28 and 28,395.45 is: 39,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,268.85 : 72,128.28 = 28,395.45 : x
  2. Step 2: Convert to fraction form
    52,268.85/72,128.28 = 28,395.45/x
  3. Step 3: Cross multiply
    52,268.85x = 72,128.28 × 28,395.45
  4. Step 4: Simplify right side
    52,268.85x = 2,048,114,968.33
  5. Step 5: Solve for x
    x = 2,048,114,968.33/52,268.85
  6. Step 6: Final answer
    x = 39,184.24

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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.