Home / 21,724.02-30,010.77-14,681.34

Finding the Fourth Proportional to 21,724.02, 30,010.77 and 14,681.34

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Solution

The fourth proportional to 21,724.02, 30,010.77 and 14,681.34 is: 20,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.02 : 30,010.77 = 14,681.34 : x
  2. Step 2: Convert to fraction form
    21,724.02/30,010.77 = 14,681.34/x
  3. Step 3: Cross multiply
    21,724.02x = 30,010.77 × 14,681.34
  4. Step 4: Simplify right side
    21,724.02x = 440,598,318.03
  5. Step 5: Solve for x
    x = 440,598,318.03/21,724.02
  6. Step 6: Final answer
    x = 20,281.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.