Home / 25,320.74-34,942.59-15,255

Finding the Fourth Proportional to 25,320.74, 34,942.59 and 15,255

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Solution

The fourth proportional to 25,320.74, 34,942.59 and 15,255 is: 21,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.74 : 34,942.59 = 15,255 : x
  2. Step 2: Convert to fraction form
    25,320.74/34,942.59 = 15,255/x
  3. Step 3: Cross multiply
    25,320.74x = 34,942.59 × 15,255
  4. Step 4: Simplify right side
    25,320.74x = 533,049,210.45
  5. Step 5: Solve for x
    x = 533,049,210.45/25,320.74
  6. Step 6: Final answer
    x = 21,051.89

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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.