Home / 23,728.56-32,742.48-13,118.40

Finding the Fourth Proportional to 23,728.56, 32,742.48 and 13,118.40

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Solution

The fourth proportional to 23,728.56, 32,742.48 and 13,118.40 is: 18,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,728.56 : 32,742.48 = 13,118.40 : x
  2. Step 2: Convert to fraction form
    23,728.56/32,742.48 = 13,118.40/x
  3. Step 3: Cross multiply
    23,728.56x = 32,742.48 × 13,118.40
  4. Step 4: Simplify right side
    23,728.56x = 429,528,949.63
  5. Step 5: Solve for x
    x = 429,528,949.63/23,728.56
  6. Step 6: Final answer
    x = 18,101.77

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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.