Home / 27,720.84-38,254.77-14,974.02

Finding the Fourth Proportional to 27,720.84, 38,254.77 and 14,974.02

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Solution

The fourth proportional to 27,720.84, 38,254.77 and 14,974.02 is: 20,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.84 : 38,254.77 = 14,974.02 : x
  2. Step 2: Convert to fraction form
    27,720.84/38,254.77 = 14,974.02/x
  3. Step 3: Cross multiply
    27,720.84x = 38,254.77 × 14,974.02
  4. Step 4: Simplify right side
    27,720.84x = 572,827,591.27
  5. Step 5: Solve for x
    x = 572,827,591.27/27,720.84
  6. Step 6: Final answer
    x = 20,664.15

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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.