Home / 21,360.39-32,048.91-8,877.30

Finding the Fourth Proportional to 21,360.39, 32,048.91 and 8,877.30

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Solution

The fourth proportional to 21,360.39, 32,048.91 and 8,877.30 is: 13,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.39 : 32,048.91 = 8,877.30 : x
  2. Step 2: Convert to fraction form
    21,360.39/32,048.91 = 8,877.30/x
  3. Step 3: Cross multiply
    21,360.39x = 32,048.91 × 8,877.30
  4. Step 4: Simplify right side
    21,360.39x = 284,507,788.74
  5. Step 5: Solve for x
    x = 284,507,788.74/21,360.39
  6. Step 6: Final answer
    x = 13,319.41

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1.5x scale

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.