Home / 21,390.03-32,058.30-10,293.74

Finding the Fourth Proportional to 21,390.03, 32,058.30 and 10,293.74

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Solution

The fourth proportional to 21,390.03, 32,058.30 and 10,293.74 is: 15,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.03 : 32,058.30 = 10,293.74 : x
  2. Step 2: Convert to fraction form
    21,390.03/32,058.30 = 10,293.74/x
  3. Step 3: Cross multiply
    21,390.03x = 32,058.30 × 10,293.74
  4. Step 4: Simplify right side
    21,390.03x = 329,999,644.75
  5. Step 5: Solve for x
    x = 329,999,644.75/21,390.03
  6. Step 6: Final answer
    x = 15,427.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.