Home / 20,066.58-30,088.86-15,933.12

Finding the Fourth Proportional to 20,066.58, 30,088.86 and 15,933.12

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Solution

The fourth proportional to 20,066.58, 30,088.86 and 15,933.12 is: 23,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.58 : 30,088.86 = 15,933.12 : x
  2. Step 2: Convert to fraction form
    20,066.58/30,088.86 = 15,933.12/x
  3. Step 3: Cross multiply
    20,066.58x = 30,088.86 × 15,933.12
  4. Step 4: Simplify right side
    20,066.58x = 479,409,417.04
  5. Step 5: Solve for x
    x = 479,409,417.04/20,066.58
  6. Step 6: Final answer
    x = 23,890.94

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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.