Home / 22,645.16-31,211.46-19,488.68

Finding the Fourth Proportional to 22,645.16, 31,211.46 and 19,488.68

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Solution

The fourth proportional to 22,645.16, 31,211.46 and 19,488.68 is: 26,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.16 : 31,211.46 = 19,488.68 : x
  2. Step 2: Convert to fraction form
    22,645.16/31,211.46 = 19,488.68/x
  3. Step 3: Cross multiply
    22,645.16x = 31,211.46 × 19,488.68
  4. Step 4: Simplify right side
    22,645.16x = 608,270,156.27
  5. Step 5: Solve for x
    x = 608,270,156.27/22,645.16
  6. Step 6: Final answer
    x = 26,860.93

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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.