Home / 20,376.96-30,526.08-15,030.72

Finding the Fourth Proportional to 20,376.96, 30,526.08 and 15,030.72

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Solution

The fourth proportional to 20,376.96, 30,526.08 and 15,030.72 is: 22,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376.96 : 30,526.08 = 15,030.72 : x
  2. Step 2: Convert to fraction form
    20,376.96/30,526.08 = 15,030.72/x
  3. Step 3: Cross multiply
    20,376.96x = 30,526.08 × 15,030.72
  4. Step 4: Simplify right side
    20,376.96x = 458,828,961.18
  5. Step 5: Solve for x
    x = 458,828,961.18/20,376.96
  6. Step 6: Final answer
    x = 22,517.05

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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.