Home / 28,004.16-42,007.46-13,025.34

Finding the Fourth Proportional to 28,004.16, 42,007.46 and 13,025.34

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Solution

The fourth proportional to 28,004.16, 42,007.46 and 13,025.34 is: 19,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.16 : 42,007.46 = 13,025.34 : x
  2. Step 2: Convert to fraction form
    28,004.16/42,007.46 = 13,025.34/x
  3. Step 3: Cross multiply
    28,004.16x = 42,007.46 × 13,025.34
  4. Step 4: Simplify right side
    28,004.16x = 547,161,449.04
  5. Step 5: Solve for x
    x = 547,161,449.04/28,004.16
  6. Step 6: Final answer
    x = 19,538.58

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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.