Home / 28,394.64-42,537.37-15,876.70

Finding the Fourth Proportional to 28,394.64, 42,537.37 and 15,876.70

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Solution

The fourth proportional to 28,394.64, 42,537.37 and 15,876.70 is: 23,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.64 : 42,537.37 = 15,876.70 : x
  2. Step 2: Convert to fraction form
    28,394.64/42,537.37 = 15,876.70/x
  3. Step 3: Cross multiply
    28,394.64x = 42,537.37 × 15,876.70
  4. Step 4: Simplify right side
    28,394.64x = 675,353,062.28
  5. Step 5: Solve for x
    x = 675,353,062.28/28,394.64
  6. Step 6: Final answer
    x = 23,784.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.