Home / 25,575.78-38,386.53-13,104.30

Finding the Fourth Proportional to 25,575.78, 38,386.53 and 13,104.30

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Solution

The fourth proportional to 25,575.78, 38,386.53 and 13,104.30 is: 19,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.78 : 38,386.53 = 13,104.30 : x
  2. Step 2: Convert to fraction form
    25,575.78/38,386.53 = 13,104.30/x
  3. Step 3: Cross multiply
    25,575.78x = 38,386.53 × 13,104.30
  4. Step 4: Simplify right side
    25,575.78x = 503,028,605.08
  5. Step 5: Solve for x
    x = 503,028,605.08/25,575.78
  6. Step 6: Final answer
    x = 19,668.16

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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.