Home / 28,289.28-42,535.44-15,166.56

Finding the Fourth Proportional to 28,289.28, 42,535.44 and 15,166.56

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Solution

The fourth proportional to 28,289.28, 42,535.44 and 15,166.56 is: 22,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.28 : 42,535.44 = 15,166.56 : x
  2. Step 2: Convert to fraction form
    28,289.28/42,535.44 = 15,166.56/x
  3. Step 3: Cross multiply
    28,289.28x = 42,535.44 × 15,166.56
  4. Step 4: Simplify right side
    28,289.28x = 645,116,302.89
  5. Step 5: Solve for x
    x = 645,116,302.89/28,289.28
  6. Step 6: Final answer
    x = 22,804.27

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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.