Home / 20,626.36-30,941.70-10,235.32

Finding the Fourth Proportional to 20,626.36, 30,941.70 and 10,235.32

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Solution

The fourth proportional to 20,626.36, 30,941.70 and 10,235.32 is: 15,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.36 : 30,941.70 = 10,235.32 : x
  2. Step 2: Convert to fraction form
    20,626.36/30,941.70 = 10,235.32/x
  3. Step 3: Cross multiply
    20,626.36x = 30,941.70 × 10,235.32
  4. Step 4: Simplify right side
    20,626.36x = 316,698,200.84
  5. Step 5: Solve for x
    x = 316,698,200.84/20,626.36
  6. Step 6: Final answer
    x = 15,354.05

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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.