Home / 28,322.09-42,456.60-9,589.02

Finding the Fourth Proportional to 28,322.09, 42,456.60 and 9,589.02

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Solution

The fourth proportional to 28,322.09, 42,456.60 and 9,589.02 is: 14,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.09 : 42,456.60 = 9,589.02 : x
  2. Step 2: Convert to fraction form
    28,322.09/42,456.60 = 9,589.02/x
  3. Step 3: Cross multiply
    28,322.09x = 42,456.60 × 9,589.02
  4. Step 4: Simplify right side
    28,322.09x = 407,117,186.53
  5. Step 5: Solve for x
    x = 407,117,186.53/28,322.09
  6. Step 6: Final answer
    x = 14,374.55

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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.