Home / 22,102.96-30,461.48-20,700.08

Finding the Fourth Proportional to 22,102.96, 30,461.48 and 20,700.08

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Solution

The fourth proportional to 22,102.96, 30,461.48 and 20,700.08 is: 28,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.96 : 30,461.48 = 20,700.08 : x
  2. Step 2: Convert to fraction form
    22,102.96/30,461.48 = 20,700.08/x
  3. Step 3: Cross multiply
    22,102.96x = 30,461.48 × 20,700.08
  4. Step 4: Simplify right side
    22,102.96x = 630,555,072.92
  5. Step 5: Solve for x
    x = 630,555,072.92/22,102.96
  6. Step 6: Final answer
    x = 28,528.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.