Home / 21,572.34-32,363.73-11,038.02

Finding the Fourth Proportional to 21,572.34, 32,363.73 and 11,038.02

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Solution

The fourth proportional to 21,572.34, 32,363.73 and 11,038.02 is: 16,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.34 : 32,363.73 = 11,038.02 : x
  2. Step 2: Convert to fraction form
    21,572.34/32,363.73 = 11,038.02/x
  3. Step 3: Cross multiply
    21,572.34x = 32,363.73 × 11,038.02
  4. Step 4: Simplify right side
    21,572.34x = 357,231,499.01
  5. Step 5: Solve for x
    x = 357,231,499.01/21,572.34
  6. Step 6: Final answer
    x = 16,559.70

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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.