Home / 20,027.07-30,030.53-6,875.55

Finding the Fourth Proportional to 20,027.07, 30,030.53 and 6,875.55

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Solution

The fourth proportional to 20,027.07, 30,030.53 and 6,875.55 is: 10,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.07 : 30,030.53 = 6,875.55 : x
  2. Step 2: Convert to fraction form
    20,027.07/30,030.53 = 6,875.55/x
  3. Step 3: Cross multiply
    20,027.07x = 30,030.53 × 6,875.55
  4. Step 4: Simplify right side
    20,027.07x = 206,476,376.16
  5. Step 5: Solve for x
    x = 206,476,376.16/20,027.07
  6. Step 6: Final answer
    x = 10,309.86

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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.