Home / 19,828.35-27,348.84-12,748.01

Finding the Fourth Proportional to 19,828.35, 27,348.84 and 12,748.01

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Solution

The fourth proportional to 19,828.35, 27,348.84 and 12,748.01 is: 17,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.35 : 27,348.84 = 12,748.01 : x
  2. Step 2: Convert to fraction form
    19,828.35/27,348.84 = 12,748.01/x
  3. Step 3: Cross multiply
    19,828.35x = 27,348.84 × 12,748.01
  4. Step 4: Simplify right side
    19,828.35x = 348,643,149.06
  5. Step 5: Solve for x
    x = 348,643,149.06/19,828.35
  6. Step 6: Final answer
    x = 17,583.06

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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.