Home / 21,618.59-29,858.22-14,532.71

Finding the Fourth Proportional to 21,618.59, 29,858.22 and 14,532.71

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Solution

The fourth proportional to 21,618.59, 29,858.22 and 14,532.71 is: 20,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.59 : 29,858.22 = 14,532.71 : x
  2. Step 2: Convert to fraction form
    21,618.59/29,858.22 = 14,532.71/x
  3. Step 3: Cross multiply
    21,618.59x = 29,858.22 × 14,532.71
  4. Step 4: Simplify right side
    21,618.59x = 433,920,703.09
  5. Step 5: Solve for x
    x = 433,920,703.09/21,618.59
  6. Step 6: Final answer
    x = 20,071.65

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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.