Home / 23,771.20-35,618.40-14,990.40

Finding the Fourth Proportional to 23,771.20, 35,618.40 and 14,990.40

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Solution

The fourth proportional to 23,771.20, 35,618.40 and 14,990.40 is: 22,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,771.20 : 35,618.40 = 14,990.40 : x
  2. Step 2: Convert to fraction form
    23,771.20/35,618.40 = 14,990.40/x
  3. Step 3: Cross multiply
    23,771.20x = 35,618.40 × 14,990.40
  4. Step 4: Simplify right side
    23,771.20x = 533,934,063.36
  5. Step 5: Solve for x
    x = 533,934,063.36/23,771.20
  6. Step 6: Final answer
    x = 22,461.38

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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.