Home / 28,014.41-42,034.72-13,975.52

Finding the Fourth Proportional to 28,014.41, 42,034.72 and 13,975.52

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Solution

The fourth proportional to 28,014.41, 42,034.72 and 13,975.52 is: 20,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.41 : 42,034.72 = 13,975.52 : x
  2. Step 2: Convert to fraction form
    28,014.41/42,034.72 = 13,975.52/x
  3. Step 3: Cross multiply
    28,014.41x = 42,034.72 × 13,975.52
  4. Step 4: Simplify right side
    28,014.41x = 587,457,070.05
  5. Step 5: Solve for x
    x = 587,457,070.05/28,014.41
  6. Step 6: Final answer
    x = 20,969.82

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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.