Home / 21,363.69-29,438.06-19,235.01

Finding the Fourth Proportional to 21,363.69, 29,438.06 and 19,235.01

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Solution

The fourth proportional to 21,363.69, 29,438.06 and 19,235.01 is: 26,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.69 : 29,438.06 = 19,235.01 : x
  2. Step 2: Convert to fraction form
    21,363.69/29,438.06 = 19,235.01/x
  3. Step 3: Cross multiply
    21,363.69x = 29,438.06 × 19,235.01
  4. Step 4: Simplify right side
    21,363.69x = 566,241,282.31
  5. Step 5: Solve for x
    x = 566,241,282.31/21,363.69
  6. Step 6: Final answer
    x = 26,504.84

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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.