Home / 20,023.79-27,631.93-11,526.17

Finding the Fourth Proportional to 20,023.79, 27,631.93 and 11,526.17

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Solution

The fourth proportional to 20,023.79, 27,631.93 and 11,526.17 is: 15,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.79 : 27,631.93 = 11,526.17 : x
  2. Step 2: Convert to fraction form
    20,023.79/27,631.93 = 11,526.17/x
  3. Step 3: Cross multiply
    20,023.79x = 27,631.93 × 11,526.17
  4. Step 4: Simplify right side
    20,023.79x = 318,490,322.61
  5. Step 5: Solve for x
    x = 318,490,322.61/20,023.79
  6. Step 6: Final answer
    x = 15,905.60

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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.