Home / 52,089.60-71,883.63-28,216.28

Finding the Fourth Proportional to 52,089.60, 71,883.63 and 28,216.28

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Solution

The fourth proportional to 52,089.60, 71,883.63 and 28,216.28 is: 38,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.60 : 71,883.63 = 28,216.28 : x
  2. Step 2: Convert to fraction form
    52,089.60/71,883.63 = 28,216.28/x
  3. Step 3: Cross multiply
    52,089.60x = 71,883.63 × 28,216.28
  4. Step 4: Simplify right side
    52,089.60x = 2,028,288,272.08
  5. Step 5: Solve for x
    x = 2,028,288,272.08/52,089.60
  6. Step 6: Final answer
    x = 38,938.45

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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.