Home / 25,767.04-38,667.84-9,127.20

Finding the Fourth Proportional to 25,767.04, 38,667.84 and 9,127.20

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Solution

The fourth proportional to 25,767.04, 38,667.84 and 9,127.20 is: 13,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.04 : 38,667.84 = 9,127.20 : x
  2. Step 2: Convert to fraction form
    25,767.04/38,667.84 = 9,127.20/x
  3. Step 3: Cross multiply
    25,767.04x = 38,667.84 × 9,127.20
  4. Step 4: Simplify right side
    25,767.04x = 352,929,109.25
  5. Step 5: Solve for x
    x = 352,929,109.25/25,767.04
  6. Step 6: Final answer
    x = 13,696.92

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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.