Home / 25,871.02-38,779.58-17,551.74

Finding the Fourth Proportional to 25,871.02, 38,779.58 and 17,551.74

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Solution

The fourth proportional to 25,871.02, 38,779.58 and 17,551.74 is: 26,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.02 : 38,779.58 = 17,551.74 : x
  2. Step 2: Convert to fraction form
    25,871.02/38,779.58 = 17,551.74/x
  3. Step 3: Cross multiply
    25,871.02x = 38,779.58 × 17,551.74
  4. Step 4: Simplify right side
    25,871.02x = 680,649,105.47
  5. Step 5: Solve for x
    x = 680,649,105.47/25,871.02
  6. Step 6: Final answer
    x = 26,309.33

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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.