Home / 28,032.44-38,684.27-15,285.71

Finding the Fourth Proportional to 28,032.44, 38,684.27 and 15,285.71

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Solution

The fourth proportional to 28,032.44, 38,684.27 and 15,285.71 is: 21,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.44 : 38,684.27 = 15,285.71 : x
  2. Step 2: Convert to fraction form
    28,032.44/38,684.27 = 15,285.71/x
  3. Step 3: Cross multiply
    28,032.44x = 38,684.27 × 15,285.71
  4. Step 4: Simplify right side
    28,032.44x = 591,316,667.71
  5. Step 5: Solve for x
    x = 591,316,667.71/28,032.44
  6. Step 6: Final answer
    x = 21,094.02

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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.