Home / 25,288.28-37,938.90-9,707.12

Finding the Fourth Proportional to 25,288.28, 37,938.90 and 9,707.12

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Solution

The fourth proportional to 25,288.28, 37,938.90 and 9,707.12 is: 14,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.28 : 37,938.90 = 9,707.12 : x
  2. Step 2: Convert to fraction form
    25,288.28/37,938.90 = 9,707.12/x
  3. Step 3: Cross multiply
    25,288.28x = 37,938.90 × 9,707.12
  4. Step 4: Simplify right side
    25,288.28x = 368,277,454.97
  5. Step 5: Solve for x
    x = 368,277,454.97/25,288.28
  6. Step 6: Final answer
    x = 14,563.17

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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.