Home / 21,390.12-32,058.45-10,294.74

Finding the Fourth Proportional to 21,390.12, 32,058.45 and 10,294.74

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Solution

The fourth proportional to 21,390.12, 32,058.45 and 10,294.74 is: 15,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.12 : 32,058.45 = 10,294.74 : x
  2. Step 2: Convert to fraction form
    21,390.12/32,058.45 = 10,294.74/x
  3. Step 3: Cross multiply
    21,390.12x = 32,058.45 × 10,294.74
  4. Step 4: Simplify right side
    21,390.12x = 330,033,407.55
  5. Step 5: Solve for x
    x = 330,033,407.55/21,390.12
  6. Step 6: Final answer
    x = 15,429.25

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