Home / 19,782.60-27,312.74-17,654.49

Finding the Fourth Proportional to 19,782.60, 27,312.74 and 17,654.49

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Solution

The fourth proportional to 19,782.60, 27,312.74 and 17,654.49 is: 24,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.60 : 27,312.74 = 17,654.49 : x
  2. Step 2: Convert to fraction form
    19,782.60/27,312.74 = 17,654.49/x
  3. Step 3: Cross multiply
    19,782.60x = 27,312.74 × 17,654.49
  4. Step 4: Simplify right side
    19,782.60x = 482,192,406.93
  5. Step 5: Solve for x
    x = 482,192,406.93/19,782.60
  6. Step 6: Final answer
    x = 24,374.57

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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.