Home / 21,369.03-32,065.02-8,897.67

Finding the Fourth Proportional to 21,369.03, 32,065.02 and 8,897.67

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Solution

The fourth proportional to 21,369.03, 32,065.02 and 8,897.67 is: 13,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369.03 : 32,065.02 = 8,897.67 : x
  2. Step 2: Convert to fraction form
    21,369.03/32,065.02 = 8,897.67/x
  3. Step 3: Cross multiply
    21,369.03x = 32,065.02 × 8,897.67
  4. Step 4: Simplify right side
    21,369.03x = 285,303,966.50
  5. Step 5: Solve for x
    x = 285,303,966.50/21,369.03
  6. Step 6: Final answer
    x = 13,351.28

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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.