Home / 19,761.79-27,271.29-14,730.43

Finding the Fourth Proportional to 19,761.79, 27,271.29 and 14,730.43

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Solution

The fourth proportional to 19,761.79, 27,271.29 and 14,730.43 is: 20,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.79 : 27,271.29 = 14,730.43 : x
  2. Step 2: Convert to fraction form
    19,761.79/27,271.29 = 14,730.43/x
  3. Step 3: Cross multiply
    19,761.79x = 27,271.29 × 14,730.43
  4. Step 4: Simplify right side
    19,761.79x = 401,717,828.35
  5. Step 5: Solve for x
    x = 401,717,828.35/19,761.79
  6. Step 6: Final answer
    x = 20,328.01

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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.