Home / 25,880.23-38,828.55-9,239.91

Finding the Fourth Proportional to 25,880.23, 38,828.55 and 9,239.91

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Solution

The fourth proportional to 25,880.23, 38,828.55 and 9,239.91 is: 13,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.23 : 38,828.55 = 9,239.91 : x
  2. Step 2: Convert to fraction form
    25,880.23/38,828.55 = 9,239.91/x
  3. Step 3: Cross multiply
    25,880.23x = 38,828.55 × 9,239.91
  4. Step 4: Simplify right side
    25,880.23x = 358,772,307.43
  5. Step 5: Solve for x
    x = 358,772,307.43/25,880.23
  6. Step 6: Final answer
    x = 13,862.79

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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.