Home / 20,492.76-30,717.24-14,631.60

Finding the Fourth Proportional to 20,492.76, 30,717.24 and 14,631.60

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Solution

The fourth proportional to 20,492.76, 30,717.24 and 14,631.60 is: 21,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.76 : 30,717.24 = 14,631.60 : x
  2. Step 2: Convert to fraction form
    20,492.76/30,717.24 = 14,631.60/x
  3. Step 3: Cross multiply
    20,492.76x = 30,717.24 × 14,631.60
  4. Step 4: Simplify right side
    20,492.76x = 449,442,368.78
  5. Step 5: Solve for x
    x = 449,442,368.78/20,492.76
  6. Step 6: Final answer
    x = 21,931.76

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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.