Home / 52,858.20-72,944.28-28,985.26

Finding the Fourth Proportional to 52,858.20, 72,944.28 and 28,985.26

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Solution

The fourth proportional to 52,858.20, 72,944.28 and 28,985.26 is: 39,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,858.20 : 72,944.28 = 28,985.26 : x
  2. Step 2: Convert to fraction form
    52,858.20/72,944.28 = 28,985.26/x
  3. Step 3: Cross multiply
    52,858.20x = 72,944.28 × 28,985.26
  4. Step 4: Simplify right side
    52,858.20x = 2,114,308,921.31
  5. Step 5: Solve for x
    x = 2,114,308,921.31/52,858.20
  6. Step 6: Final answer
    x = 39,999.64

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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.