Home / 19,421.55-29,132.19-15,951.51

Finding the Fourth Proportional to 19,421.55, 29,132.19 and 15,951.51

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Solution

The fourth proportional to 19,421.55, 29,132.19 and 15,951.51 is: 23,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.55 : 29,132.19 = 15,951.51 : x
  2. Step 2: Convert to fraction form
    19,421.55/29,132.19 = 15,951.51/x
  3. Step 3: Cross multiply
    19,421.55x = 29,132.19 × 15,951.51
  4. Step 4: Simplify right side
    19,421.55x = 464,702,420.11
  5. Step 5: Solve for x
    x = 464,702,420.11/19,421.55
  6. Step 6: Final answer
    x = 23,927.15

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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.