Home / 28,364.16-42,540.74-10,829.82

Finding the Fourth Proportional to 28,364.16, 42,540.74 and 10,829.82

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Solution

The fourth proportional to 28,364.16, 42,540.74 and 10,829.82 is: 16,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.16 : 42,540.74 = 10,829.82 : x
  2. Step 2: Convert to fraction form
    28,364.16/42,540.74 = 10,829.82/x
  3. Step 3: Cross multiply
    28,364.16x = 42,540.74 × 10,829.82
  4. Step 4: Simplify right side
    28,364.16x = 460,708,371.24
  5. Step 5: Solve for x
    x = 460,708,371.24/28,364.16
  6. Step 6: Final answer
    x = 16,242.63

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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.