Home / 25,528.70-38,266.73-18,491.02

Finding the Fourth Proportional to 25,528.70, 38,266.73 and 18,491.02

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Solution

The fourth proportional to 25,528.70, 38,266.73 and 18,491.02 is: 27,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.70 : 38,266.73 = 18,491.02 : x
  2. Step 2: Convert to fraction form
    25,528.70/38,266.73 = 18,491.02/x
  3. Step 3: Cross multiply
    25,528.70x = 38,266.73 × 18,491.02
  4. Step 4: Simplify right side
    25,528.70x = 707,590,750.98
  5. Step 5: Solve for x
    x = 707,590,750.98/25,528.70
  6. Step 6: Final answer
    x = 27,717.46

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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.