Home / 20,014.29-30,027.51-10,652.72

Finding the Fourth Proportional to 20,014.29, 30,027.51 and 10,652.72

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Solution

The fourth proportional to 20,014.29, 30,027.51 and 10,652.72 is: 15,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.29 : 30,027.51 = 10,652.72 : x
  2. Step 2: Convert to fraction form
    20,014.29/30,027.51 = 10,652.72/x
  3. Step 3: Cross multiply
    20,014.29x = 30,027.51 × 10,652.72
  4. Step 4: Simplify right side
    20,014.29x = 319,874,506.19
  5. Step 5: Solve for x
    x = 319,874,506.19/20,014.29
  6. Step 6: Final answer
    x = 15,982.31

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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.