Home / 21,533.67-29,730.96-19,257.94

Finding the Fourth Proportional to 21,533.67, 29,730.96 and 19,257.94

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Solution

The fourth proportional to 21,533.67, 29,730.96 and 19,257.94 is: 26,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533.67 : 29,730.96 = 19,257.94 : x
  2. Step 2: Convert to fraction form
    21,533.67/29,730.96 = 19,257.94/x
  3. Step 3: Cross multiply
    21,533.67x = 29,730.96 × 19,257.94
  4. Step 4: Simplify right side
    21,533.67x = 572,557,043.82
  5. Step 5: Solve for x
    x = 572,557,043.82/21,533.67
  6. Step 6: Final answer
    x = 26,588.92

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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.