Home / 21,980.43-32,970.74-8,833.91

Finding the Fourth Proportional to 21,980.43, 32,970.74 and 8,833.91

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Solution

The fourth proportional to 21,980.43, 32,970.74 and 8,833.91 is: 13,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980.43 : 32,970.74 = 8,833.91 : x
  2. Step 2: Convert to fraction form
    21,980.43/32,970.74 = 8,833.91/x
  3. Step 3: Cross multiply
    21,980.43x = 32,970.74 × 8,833.91
  4. Step 4: Simplify right side
    21,980.43x = 291,260,340.77
  5. Step 5: Solve for x
    x = 291,260,340.77/21,980.43
  6. Step 6: Final answer
    x = 13,250.89

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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.