Home / 28,425.03-42,681.29-25,334.07

Finding the Fourth Proportional to 28,425.03, 42,681.29 and 25,334.07

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Solution

The fourth proportional to 28,425.03, 42,681.29 and 25,334.07 is: 38,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425.03 : 42,681.29 = 25,334.07 : x
  2. Step 2: Convert to fraction form
    28,425.03/42,681.29 = 25,334.07/x
  3. Step 3: Cross multiply
    28,425.03x = 42,681.29 × 25,334.07
  4. Step 4: Simplify right side
    28,425.03x = 1,081,290,661.88
  5. Step 5: Solve for x
    x = 1,081,290,661.88/28,425.03
  6. Step 6: Final answer
    x = 38,040.09

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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.