Home / 21,324.80-29,400.74-14,598.84

Finding the Fourth Proportional to 21,324.80, 29,400.74 and 14,598.84

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Solution

The fourth proportional to 21,324.80, 29,400.74 and 14,598.84 is: 20,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.80 : 29,400.74 = 14,598.84 : x
  2. Step 2: Convert to fraction form
    21,324.80/29,400.74 = 14,598.84/x
  3. Step 3: Cross multiply
    21,324.80x = 29,400.74 × 14,598.84
  4. Step 4: Simplify right side
    21,324.80x = 429,216,699.14
  5. Step 5: Solve for x
    x = 429,216,699.14/21,324.80
  6. Step 6: Final answer
    x = 20,127.58

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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.