Home / 21,284.17-31,893.29-14,623.84

Finding the Fourth Proportional to 21,284.17, 31,893.29 and 14,623.84

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Solution

The fourth proportional to 21,284.17, 31,893.29 and 14,623.84 is: 21,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284.17 : 31,893.29 = 14,623.84 : x
  2. Step 2: Convert to fraction form
    21,284.17/31,893.29 = 14,623.84/x
  3. Step 3: Cross multiply
    21,284.17x = 31,893.29 × 14,623.84
  4. Step 4: Simplify right side
    21,284.17x = 466,402,473.88
  5. Step 5: Solve for x
    x = 466,402,473.88/21,284.17
  6. Step 6: Final answer
    x = 21,913.12

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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.