Home / 28,114.66-38,794.48-18,056.72

Finding the Fourth Proportional to 28,114.66, 38,794.48 and 18,056.72

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Solution

The fourth proportional to 28,114.66, 38,794.48 and 18,056.72 is: 24,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.66 : 38,794.48 = 18,056.72 : x
  2. Step 2: Convert to fraction form
    28,114.66/38,794.48 = 18,056.72/x
  3. Step 3: Cross multiply
    28,114.66x = 38,794.48 × 18,056.72
  4. Step 4: Simplify right side
    28,114.66x = 700,501,062.91
  5. Step 5: Solve for x
    x = 700,501,062.91/28,114.66
  6. Step 6: Final answer
    x = 24,915.86

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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.