Home / 23,365.76-34,960.80-13,971.20

Finding the Fourth Proportional to 23,365.76, 34,960.80 and 13,971.20

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Solution

The fourth proportional to 23,365.76, 34,960.80 and 13,971.20 is: 20,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,365.76 : 34,960.80 = 13,971.20 : x
  2. Step 2: Convert to fraction form
    23,365.76/34,960.80 = 13,971.20/x
  3. Step 3: Cross multiply
    23,365.76x = 34,960.80 × 13,971.20
  4. Step 4: Simplify right side
    23,365.76x = 488,444,328.96
  5. Step 5: Solve for x
    x = 488,444,328.96/23,365.76
  6. Step 6: Final answer
    x = 20,904.28

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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.