Home / 25,720.52-38,580.87-9,071.51

Finding the Fourth Proportional to 25,720.52, 38,580.87 and 9,071.51

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Solution

The fourth proportional to 25,720.52, 38,580.87 and 9,071.51 is: 13,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.52 : 38,580.87 = 9,071.51 : x
  2. Step 2: Convert to fraction form
    25,720.52/38,580.87 = 9,071.51/x
  3. Step 3: Cross multiply
    25,720.52x = 38,580.87 × 9,071.51
  4. Step 4: Simplify right side
    25,720.52x = 349,986,748.01
  5. Step 5: Solve for x
    x = 349,986,748.01/25,720.52
  6. Step 6: Final answer
    x = 13,607.30

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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.