Home / 23,008.40-31,740.36-14,627.60

Finding the Fourth Proportional to 23,008.40, 31,740.36 and 14,627.60

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Solution

The fourth proportional to 23,008.40, 31,740.36 and 14,627.60 is: 20,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.40 : 31,740.36 = 14,627.60 : x
  2. Step 2: Convert to fraction form
    23,008.40/31,740.36 = 14,627.60/x
  3. Step 3: Cross multiply
    23,008.40x = 31,740.36 × 14,627.60
  4. Step 4: Simplify right side
    23,008.40x = 464,285,289.94
  5. Step 5: Solve for x
    x = 464,285,289.94/23,008.40
  6. Step 6: Final answer
    x = 20,178.95

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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.