Home / 21,357.52-32,036.76-5,563.16

Finding the Fourth Proportional to 21,357.52, 32,036.76 and 5,563.16

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Solution

The fourth proportional to 21,357.52, 32,036.76 and 5,563.16 is: 8,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.52 : 32,036.76 = 5,563.16 : x
  2. Step 2: Convert to fraction form
    21,357.52/32,036.76 = 5,563.16/x
  3. Step 3: Cross multiply
    21,357.52x = 32,036.76 × 5,563.16
  4. Step 4: Simplify right side
    21,357.52x = 178,225,621.76
  5. Step 5: Solve for x
    x = 178,225,621.76/21,357.52
  6. Step 6: Final answer
    x = 8,344.87

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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.