Home / 19,827.30-27,353.62-13,528.74

Finding the Fourth Proportional to 19,827.30, 27,353.62 and 13,528.74

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Solution

The fourth proportional to 19,827.30, 27,353.62 and 13,528.74 is: 18,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.30 : 27,353.62 = 13,528.74 : x
  2. Step 2: Convert to fraction form
    19,827.30/27,353.62 = 13,528.74/x
  3. Step 3: Cross multiply
    19,827.30x = 27,353.62 × 13,528.74
  4. Step 4: Simplify right side
    19,827.30x = 370,060,013.04
  5. Step 5: Solve for x
    x = 370,060,013.04/19,827.30
  6. Step 6: Final answer
    x = 18,664.17

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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.