Home / 21,307.34-29,393.31-16,262.80

Finding the Fourth Proportional to 21,307.34, 29,393.31 and 16,262.80

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Solution

The fourth proportional to 21,307.34, 29,393.31 and 16,262.80 is: 22,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307.34 : 29,393.31 = 16,262.80 : x
  2. Step 2: Convert to fraction form
    21,307.34/29,393.31 = 16,262.80/x
  3. Step 3: Cross multiply
    21,307.34x = 29,393.31 × 16,262.80
  4. Step 4: Simplify right side
    21,307.34x = 478,017,448.38
  5. Step 5: Solve for x
    x = 478,017,448.38/21,307.34
  6. Step 6: Final answer
    x = 22,434.41

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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.