Home / 33,928.76-46,821.95-18,615.21

Finding the Fourth Proportional to 33,928.76, 46,821.95 and 18,615.21

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Solution

The fourth proportional to 33,928.76, 46,821.95 and 18,615.21 is: 25,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,928.76 : 46,821.95 = 18,615.21 : x
  2. Step 2: Convert to fraction form
    33,928.76/46,821.95 = 18,615.21/x
  3. Step 3: Cross multiply
    33,928.76x = 46,821.95 × 18,615.21
  4. Step 4: Simplify right side
    33,928.76x = 871,600,431.86
  5. Step 5: Solve for x
    x = 871,600,431.86/33,928.76
  6. Step 6: Final answer
    x = 25,689.13

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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.