Home / 21,828.02-32,536.25-20,719.94

Finding the Fourth Proportional to 21,828.02, 32,536.25 and 20,719.94

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Solution

The fourth proportional to 21,828.02, 32,536.25 and 20,719.94 is: 30,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.02 : 32,536.25 = 20,719.94 : x
  2. Step 2: Convert to fraction form
    21,828.02/32,536.25 = 20,719.94/x
  3. Step 3: Cross multiply
    21,828.02x = 32,536.25 × 20,719.94
  4. Step 4: Simplify right side
    21,828.02x = 674,148,985.14
  5. Step 5: Solve for x
    x = 674,148,985.14/21,828.02
  6. Step 6: Final answer
    x = 30,884.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.