Home / 17,971.20-24,688.80-14,817.60

Finding the Fourth Proportional to 17,971.20, 24,688.80 and 14,817.60

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Solution

The fourth proportional to 17,971.20, 24,688.80 and 14,817.60 is: 20,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.20 : 24,688.80 = 14,817.60 : x
  2. Step 2: Convert to fraction form
    17,971.20/24,688.80 = 14,817.60/x
  3. Step 3: Cross multiply
    17,971.20x = 24,688.80 × 14,817.60
  4. Step 4: Simplify right side
    17,971.20x = 365,828,762.88
  5. Step 5: Solve for x
    x = 365,828,762.88/17,971.20
  6. Step 6: Final answer
    x = 20,356.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.