Home / 16,971.60-25,457.40-15,999.60

Finding the Fourth Proportional to 16,971.60, 25,457.40 and 15,999.60

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Solution

The fourth proportional to 16,971.60, 25,457.40 and 15,999.60 is: 23,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.60 : 25,457.40 = 15,999.60 : x
  2. Step 2: Convert to fraction form
    16,971.60/25,457.40 = 15,999.60/x
  3. Step 3: Cross multiply
    16,971.60x = 25,457.40 × 15,999.60
  4. Step 4: Simplify right side
    16,971.60x = 407,308,217.04
  5. Step 5: Solve for x
    x = 407,308,217.04/16,971.60
  6. Step 6: Final answer
    x = 23,999.40

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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.