Home / 22,025.81-30,420.85-14,505.76

Finding the Fourth Proportional to 22,025.81, 30,420.85 and 14,505.76

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Solution

The fourth proportional to 22,025.81, 30,420.85 and 14,505.76 is: 20,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.81 : 30,420.85 = 14,505.76 : x
  2. Step 2: Convert to fraction form
    22,025.81/30,420.85 = 14,505.76/x
  3. Step 3: Cross multiply
    22,025.81x = 30,420.85 × 14,505.76
  4. Step 4: Simplify right side
    22,025.81x = 441,277,549.10
  5. Step 5: Solve for x
    x = 441,277,549.10/22,025.81
  6. Step 6: Final answer
    x = 20,034.57

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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.