Home / 52,858.68-72,944.35-28,985.15

Finding the Fourth Proportional to 52,858.68, 72,944.35 and 28,985.15

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Solution

The fourth proportional to 52,858.68, 72,944.35 and 28,985.15 is: 39,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,858.68 : 72,944.35 = 28,985.15 : x
  2. Step 2: Convert to fraction form
    52,858.68/72,944.35 = 28,985.15/x
  3. Step 3: Cross multiply
    52,858.68x = 72,944.35 × 28,985.15
  4. Step 4: Simplify right side
    52,858.68x = 2,114,302,926.40
  5. Step 5: Solve for x
    x = 2,114,302,926.40/52,858.68
  6. Step 6: Final answer
    x = 39,999.16

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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.