Home / 21,283.08-29,374.16-16,237.77

Finding the Fourth Proportional to 21,283.08, 29,374.16 and 16,237.77

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Solution

The fourth proportional to 21,283.08, 29,374.16 and 16,237.77 is: 22,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.08 : 29,374.16 = 16,237.77 : x
  2. Step 2: Convert to fraction form
    21,283.08/29,374.16 = 16,237.77/x
  3. Step 3: Cross multiply
    21,283.08x = 29,374.16 × 16,237.77
  4. Step 4: Simplify right side
    21,283.08x = 476,970,772.83
  5. Step 5: Solve for x
    x = 476,970,772.83/21,283.08
  6. Step 6: Final answer
    x = 22,410.80

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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.