Home / 28,233.48-38,962.50-15,659.04

Finding the Fourth Proportional to 28,233.48, 38,962.50 and 15,659.04

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Solution

The fourth proportional to 28,233.48, 38,962.50 and 15,659.04 is: 21,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.48 : 38,962.50 = 15,659.04 : x
  2. Step 2: Convert to fraction form
    28,233.48/38,962.50 = 15,659.04/x
  3. Step 3: Cross multiply
    28,233.48x = 38,962.50 × 15,659.04
  4. Step 4: Simplify right side
    28,233.48x = 610,115,346
  5. Step 5: Solve for x
    x = 610,115,346/28,233.48
  6. Step 6: Final answer
    x = 21,609.64

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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.