Home / 22,857.08-34,209.60-20,116.72

Finding the Fourth Proportional to 22,857.08, 34,209.60 and 20,116.72

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Solution

The fourth proportional to 22,857.08, 34,209.60 and 20,116.72 is: 30,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,857.08 : 34,209.60 = 20,116.72 : x
  2. Step 2: Convert to fraction form
    22,857.08/34,209.60 = 20,116.72/x
  3. Step 3: Cross multiply
    22,857.08x = 34,209.60 × 20,116.72
  4. Step 4: Simplify right side
    22,857.08x = 688,184,944.51
  5. Step 5: Solve for x
    x = 688,184,944.51/22,857.08
  6. Step 6: Final answer
    x = 30,108.17

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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.