Home / 19,730.90-27,211.66-17,580.35

Finding the Fourth Proportional to 19,730.90, 27,211.66 and 17,580.35

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Solution

The fourth proportional to 19,730.90, 27,211.66 and 17,580.35 is: 24,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.90 : 27,211.66 = 17,580.35 : x
  2. Step 2: Convert to fraction form
    19,730.90/27,211.66 = 17,580.35/x
  3. Step 3: Cross multiply
    19,730.90x = 27,211.66 × 17,580.35
  4. Step 4: Simplify right side
    19,730.90x = 478,390,326.87
  5. Step 5: Solve for x
    x = 478,390,326.87/19,730.90
  6. Step 6: Final answer
    x = 24,245.75

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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.