Home / 52,268.96-72,130.77-28,395.80

Finding the Fourth Proportional to 52,268.96, 72,130.77 and 28,395.80

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Solution

The fourth proportional to 52,268.96, 72,130.77 and 28,395.80 is: 39,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,268.96 : 72,130.77 = 28,395.80 : x
  2. Step 2: Convert to fraction form
    52,268.96/72,130.77 = 28,395.80/x
  3. Step 3: Cross multiply
    52,268.96x = 72,130.77 × 28,395.80
  4. Step 4: Simplify right side
    52,268.96x = 2,048,210,918.77
  5. Step 5: Solve for x
    x = 2,048,210,918.77/52,268.96
  6. Step 6: Final answer
    x = 39,185.99

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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.