Home / 21,079.60-29,035.29-14,694.77

Finding the Fourth Proportional to 21,079.60, 29,035.29 and 14,694.77

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Solution

The fourth proportional to 21,079.60, 29,035.29 and 14,694.77 is: 20,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,079.60 : 29,035.29 = 14,694.77 : x
  2. Step 2: Convert to fraction form
    21,079.60/29,035.29 = 14,694.77/x
  3. Step 3: Cross multiply
    21,079.60x = 29,035.29 × 14,694.77
  4. Step 4: Simplify right side
    21,079.60x = 426,666,908.43
  5. Step 5: Solve for x
    x = 426,666,908.43/21,079.60
  6. Step 6: Final answer
    x = 20,240.75

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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.