Home / 28,605.24-42,901.38-10,137.24

Finding the Fourth Proportional to 28,605.24, 42,901.38 and 10,137.24

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Solution

The fourth proportional to 28,605.24, 42,901.38 and 10,137.24 is: 15,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.24 : 42,901.38 = 10,137.24 : x
  2. Step 2: Convert to fraction form
    28,605.24/42,901.38 = 10,137.24/x
  3. Step 3: Cross multiply
    28,605.24x = 42,901.38 × 10,137.24
  4. Step 4: Simplify right side
    28,605.24x = 434,901,585.39
  5. Step 5: Solve for x
    x = 434,901,585.39/28,605.24
  6. Step 6: Final answer
    x = 15,203.56

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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.