Home / 21,875.26-32,818.12-7,084.20

Finding the Fourth Proportional to 21,875.26, 32,818.12 and 7,084.20

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Solution

The fourth proportional to 21,875.26, 32,818.12 and 7,084.20 is: 10,627.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.26 : 32,818.12 = 7,084.20 : x
  2. Step 2: Convert to fraction form
    21,875.26/32,818.12 = 7,084.20/x
  3. Step 3: Cross multiply
    21,875.26x = 32,818.12 × 7,084.20
  4. Step 4: Simplify right side
    21,875.26x = 232,490,125.70
  5. Step 5: Solve for x
    x = 232,490,125.70/21,875.26
  6. Step 6: Final answer
    x = 10,627.99

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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.