Home / 18,431.04-27,638.76-7,025.52

Finding the Fourth Proportional to 18,431.04, 27,638.76 and 7,025.52

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Solution

The fourth proportional to 18,431.04, 27,638.76 and 7,025.52 is: 10,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.04 : 27,638.76 = 7,025.52 : x
  2. Step 2: Convert to fraction form
    18,431.04/27,638.76 = 7,025.52/x
  3. Step 3: Cross multiply
    18,431.04x = 27,638.76 × 7,025.52
  4. Step 4: Simplify right side
    18,431.04x = 194,176,661.16
  5. Step 5: Solve for x
    x = 194,176,661.16/18,431.04
  6. Step 6: Final answer
    x = 10,535.31

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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.