Home / 20,674.23-28,538.54-14,655.92

Finding the Fourth Proportional to 20,674.23, 28,538.54 and 14,655.92

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Solution

The fourth proportional to 20,674.23, 28,538.54 and 14,655.92 is: 20,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.23 : 28,538.54 = 14,655.92 : x
  2. Step 2: Convert to fraction form
    20,674.23/28,538.54 = 14,655.92/x
  3. Step 3: Cross multiply
    20,674.23x = 28,538.54 × 14,655.92
  4. Step 4: Simplify right side
    20,674.23x = 418,258,667.14
  5. Step 5: Solve for x
    x = 418,258,667.14/20,674.23
  6. Step 6: Final answer
    x = 20,230.92

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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.