Home / 25,719.74-38,547.78-15,179.07

Finding the Fourth Proportional to 25,719.74, 38,547.78 and 15,179.07

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Solution

The fourth proportional to 25,719.74, 38,547.78 and 15,179.07 is: 22,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.74 : 38,547.78 = 15,179.07 : x
  2. Step 2: Convert to fraction form
    25,719.74/38,547.78 = 15,179.07/x
  3. Step 3: Cross multiply
    25,719.74x = 38,547.78 × 15,179.07
  4. Step 4: Simplify right side
    25,719.74x = 585,119,450.96
  5. Step 5: Solve for x
    x = 585,119,450.96/25,719.74
  6. Step 6: Final answer
    x = 22,749.82

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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.