Home / 23,688.96-32,690.40-13,078.32

Finding the Fourth Proportional to 23,688.96, 32,690.40 and 13,078.32

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Solution

The fourth proportional to 23,688.96, 32,690.40 and 13,078.32 is: 18,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.96 : 32,690.40 = 13,078.32 : x
  2. Step 2: Convert to fraction form
    23,688.96/32,690.40 = 13,078.32/x
  3. Step 3: Cross multiply
    23,688.96x = 32,690.40 × 13,078.32
  4. Step 4: Simplify right side
    23,688.96x = 427,535,512.13
  5. Step 5: Solve for x
    x = 427,535,512.13/23,688.96
  6. Step 6: Final answer
    x = 18,047.88

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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.