Home / 21,374.79-32,068.61-15,146.80

Finding the Fourth Proportional to 21,374.79, 32,068.61 and 15,146.80

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Solution

The fourth proportional to 21,374.79, 32,068.61 and 15,146.80 is: 22,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.79 : 32,068.61 = 15,146.80 : x
  2. Step 2: Convert to fraction form
    21,374.79/32,068.61 = 15,146.80/x
  3. Step 3: Cross multiply
    21,374.79x = 32,068.61 × 15,146.80
  4. Step 4: Simplify right side
    21,374.79x = 485,736,722.84
  5. Step 5: Solve for x
    x = 485,736,722.84/21,374.79
  6. Step 6: Final answer
    x = 22,724.75

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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.