Home / 28,350.20-42,495.23-13,527.81

Finding the Fourth Proportional to 28,350.20, 42,495.23 and 13,527.81

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Solution

The fourth proportional to 28,350.20, 42,495.23 and 13,527.81 is: 20,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.20 : 42,495.23 = 13,527.81 : x
  2. Step 2: Convert to fraction form
    28,350.20/42,495.23 = 13,527.81/x
  3. Step 3: Cross multiply
    28,350.20x = 42,495.23 × 13,527.81
  4. Step 4: Simplify right side
    28,350.20x = 574,867,431.17
  5. Step 5: Solve for x
    x = 574,867,431.17/28,350.20
  6. Step 6: Final answer
    x = 20,277.37

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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.