Home / 28,585.98-42,799.74-21,544.68

Finding the Fourth Proportional to 28,585.98, 42,799.74 and 21,544.68

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Solution

The fourth proportional to 28,585.98, 42,799.74 and 21,544.68 is: 32,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.98 : 42,799.74 = 21,544.68 : x
  2. Step 2: Convert to fraction form
    28,585.98/42,799.74 = 21,544.68/x
  3. Step 3: Cross multiply
    28,585.98x = 42,799.74 × 21,544.68
  4. Step 4: Simplify right side
    28,585.98x = 922,106,702.38
  5. Step 5: Solve for x
    x = 922,106,702.38/28,585.98
  6. Step 6: Final answer
    x = 32,257.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.