Home / 19,975.74-27,560.40-11,590.62

Finding the Fourth Proportional to 19,975.74, 27,560.40 and 11,590.62

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Solution

The fourth proportional to 19,975.74, 27,560.40 and 11,590.62 is: 15,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.74 : 27,560.40 = 11,590.62 : x
  2. Step 2: Convert to fraction form
    19,975.74/27,560.40 = 11,590.62/x
  3. Step 3: Cross multiply
    19,975.74x = 27,560.40 × 11,590.62
  4. Step 4: Simplify right side
    19,975.74x = 319,442,123.45
  5. Step 5: Solve for x
    x = 319,442,123.45/19,975.74
  6. Step 6: Final answer
    x = 15,991.50

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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.