Home / 25,007.08-34,506.64-15,449.08

Finding the Fourth Proportional to 25,007.08, 34,506.64 and 15,449.08

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Solution

The fourth proportional to 25,007.08, 34,506.64 and 15,449.08 is: 21,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.08 : 34,506.64 = 15,449.08 : x
  2. Step 2: Convert to fraction form
    25,007.08/34,506.64 = 15,449.08/x
  3. Step 3: Cross multiply
    25,007.08x = 34,506.64 × 15,449.08
  4. Step 4: Simplify right side
    25,007.08x = 533,095,841.89
  5. Step 5: Solve for x
    x = 533,095,841.89/25,007.08
  6. Step 6: Final answer
    x = 21,317.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.