Home / 52,268.30-72,130.87-28,395.35

Finding the Fourth Proportional to 52,268.30, 72,130.87 and 28,395.35

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Solution

The fourth proportional to 52,268.30, 72,130.87 and 28,395.35 is: 39,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,268.30 : 72,130.87 = 28,395.35 : x
  2. Step 2: Convert to fraction form
    52,268.30/72,130.87 = 28,395.35/x
  3. Step 3: Cross multiply
    52,268.30x = 72,130.87 × 28,395.35
  4. Step 4: Simplify right side
    52,268.30x = 2,048,181,299.45
  5. Step 5: Solve for x
    x = 2,048,181,299.45/52,268.30
  6. Step 6: Final answer
    x = 39,185.92

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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.