Home / 21,378.92-32,071.40-6,589.04

Finding the Fourth Proportional to 21,378.92, 32,071.40 and 6,589.04

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Solution

The fourth proportional to 21,378.92, 32,071.40 and 6,589.04 is: 9,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,378.92 : 32,071.40 = 6,589.04 : x
  2. Step 2: Convert to fraction form
    21,378.92/32,071.40 = 6,589.04/x
  3. Step 3: Cross multiply
    21,378.92x = 32,071.40 × 6,589.04
  4. Step 4: Simplify right side
    21,378.92x = 211,319,737.46
  5. Step 5: Solve for x
    x = 211,319,737.46/21,378.92
  6. Step 6: Final answer
    x = 9,884.49

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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.