Home / 32,992.28-45,528.20-19,555.56

Finding the Fourth Proportional to 32,992.28, 45,528.20 and 19,555.56

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Solution

The fourth proportional to 32,992.28, 45,528.20 and 19,555.56 is: 26,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,992.28 : 45,528.20 = 19,555.56 : x
  2. Step 2: Convert to fraction form
    32,992.28/45,528.20 = 19,555.56/x
  3. Step 3: Cross multiply
    32,992.28x = 45,528.20 × 19,555.56
  4. Step 4: Simplify right side
    32,992.28x = 890,329,446.79
  5. Step 5: Solve for x
    x = 890,329,446.79/32,992.28
  6. Step 6: Final answer
    x = 26,985.99

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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.