Home / 53,126.28-79,676.14-15,678.92

Finding the Fourth Proportional to 53,126.28, 79,676.14 and 15,678.92

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Solution

The fourth proportional to 53,126.28, 79,676.14 and 15,678.92 is: 23,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,126.28 : 79,676.14 = 15,678.92 : x
  2. Step 2: Convert to fraction form
    53,126.28/79,676.14 = 15,678.92/x
  3. Step 3: Cross multiply
    53,126.28x = 79,676.14 × 15,678.92
  4. Step 4: Simplify right side
    53,126.28x = 1,249,235,824.97
  5. Step 5: Solve for x
    x = 1,249,235,824.97/53,126.28
  6. Step 6: Final answer
    x = 23,514.46

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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.