Home / 25,319.31-38,002.80-12,848.30

Finding the Fourth Proportional to 25,319.31, 38,002.80 and 12,848.30

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Solution

The fourth proportional to 25,319.31, 38,002.80 and 12,848.30 is: 19,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.31 : 38,002.80 = 12,848.30 : x
  2. Step 2: Convert to fraction form
    25,319.31/38,002.80 = 12,848.30/x
  3. Step 3: Cross multiply
    25,319.31x = 38,002.80 × 12,848.30
  4. Step 4: Simplify right side
    25,319.31x = 488,271,185.23
  5. Step 5: Solve for x
    x = 488,271,185.23/25,319.31
  6. Step 6: Final answer
    x = 19,284.54

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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.