Home / 20,070.56-30,094.92-15,937.12

Finding the Fourth Proportional to 20,070.56, 30,094.92 and 15,937.12

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Solution

The fourth proportional to 20,070.56, 30,094.92 and 15,937.12 is: 23,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.56 : 30,094.92 = 15,937.12 : x
  2. Step 2: Convert to fraction form
    20,070.56/30,094.92 = 15,937.12/x
  3. Step 3: Cross multiply
    20,070.56x = 30,094.92 × 15,937.12
  4. Step 4: Simplify right side
    20,070.56x = 479,626,351.43
  5. Step 5: Solve for x
    x = 479,626,351.43/20,070.56
  6. Step 6: Final answer
    x = 23,897.01

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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.