Home / 21,165.03-31,748.76-5,582.25

Finding the Fourth Proportional to 21,165.03, 31,748.76 and 5,582.25

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Solution

The fourth proportional to 21,165.03, 31,748.76 and 5,582.25 is: 8,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,165.03 : 31,748.76 = 5,582.25 : x
  2. Step 2: Convert to fraction form
    21,165.03/31,748.76 = 5,582.25/x
  3. Step 3: Cross multiply
    21,165.03x = 31,748.76 × 5,582.25
  4. Step 4: Simplify right side
    21,165.03x = 177,229,515.51
  5. Step 5: Solve for x
    x = 177,229,515.51/21,165.03
  6. Step 6: Final answer
    x = 8,373.70

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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.