Home / 21,678.84-32,452.02-14,268.60

Finding the Fourth Proportional to 21,678.84, 32,452.02 and 14,268.60

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Solution

The fourth proportional to 21,678.84, 32,452.02 and 14,268.60 is: 21,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678.84 : 32,452.02 = 14,268.60 : x
  2. Step 2: Convert to fraction form
    21,678.84/32,452.02 = 14,268.60/x
  3. Step 3: Cross multiply
    21,678.84x = 32,452.02 × 14,268.60
  4. Step 4: Simplify right side
    21,678.84x = 463,044,892.57
  5. Step 5: Solve for x
    x = 463,044,892.57/21,678.84
  6. Step 6: Final answer
    x = 21,359.30

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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.