Home / 28,341.54-39,110.28-15,766.02

Finding the Fourth Proportional to 28,341.54, 39,110.28 and 15,766.02

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Solution

The fourth proportional to 28,341.54, 39,110.28 and 15,766.02 is: 21,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.54 : 39,110.28 = 15,766.02 : x
  2. Step 2: Convert to fraction form
    28,341.54/39,110.28 = 15,766.02/x
  3. Step 3: Cross multiply
    28,341.54x = 39,110.28 × 15,766.02
  4. Step 4: Simplify right side
    28,341.54x = 616,613,456.69
  5. Step 5: Solve for x
    x = 616,613,456.69/28,341.54
  6. Step 6: Final answer
    x = 21,756.53

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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.