Home / 28,453.34-42,701.03-13,670.82

Finding the Fourth Proportional to 28,453.34, 42,701.03 and 13,670.82

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Solution

The fourth proportional to 28,453.34, 42,701.03 and 13,670.82 is: 20,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.34 : 42,701.03 = 13,670.82 : x
  2. Step 2: Convert to fraction form
    28,453.34/42,701.03 = 13,670.82/x
  3. Step 3: Cross multiply
    28,453.34x = 42,701.03 × 13,670.82
  4. Step 4: Simplify right side
    28,453.34x = 583,758,094.94
  5. Step 5: Solve for x
    x = 583,758,094.94/28,453.34
  6. Step 6: Final answer
    x = 20,516.33

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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.