Home / 20,405.04-30,622.14-10,024.08

Finding the Fourth Proportional to 20,405.04, 30,622.14 and 10,024.08

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Solution

The fourth proportional to 20,405.04, 30,622.14 and 10,024.08 is: 15,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,405.04 : 30,622.14 = 10,024.08 : x
  2. Step 2: Convert to fraction form
    20,405.04/30,622.14 = 10,024.08/x
  3. Step 3: Cross multiply
    20,405.04x = 30,622.14 × 10,024.08
  4. Step 4: Simplify right side
    20,405.04x = 306,958,781.13
  5. Step 5: Solve for x
    x = 306,958,781.13/20,405.04
  6. Step 6: Final answer
    x = 15,043.28

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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.