Home / 85,015.04-127,526.88-28,861.52

Finding the Fourth Proportional to 85,015.04, 127,526.88 and 28,861.52

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Solution

The fourth proportional to 85,015.04, 127,526.88 and 28,861.52 is: 43,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,015.04 : 127,526.88 = 28,861.52 : x
  2. Step 2: Convert to fraction form
    85,015.04/127,526.88 = 28,861.52/x
  3. Step 3: Cross multiply
    85,015.04x = 127,526.88 × 28,861.52
  4. Step 4: Simplify right side
    85,015.04x = 3,680,619,597.66
  5. Step 5: Solve for x
    x = 3,680,619,597.66/85,015.04
  6. Step 6: Final answer
    x = 43,293.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.