Home / 28,269.64-42,409.34-9,549.81

Finding the Fourth Proportional to 28,269.64, 42,409.34 and 9,549.81

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Solution

The fourth proportional to 28,269.64, 42,409.34 and 9,549.81 is: 14,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.64 : 42,409.34 = 9,549.81 : x
  2. Step 2: Convert to fraction form
    28,269.64/42,409.34 = 9,549.81/x
  3. Step 3: Cross multiply
    28,269.64x = 42,409.34 × 9,549.81
  4. Step 4: Simplify right side
    28,269.64x = 405,001,139.23
  5. Step 5: Solve for x
    x = 405,001,139.23/28,269.64
  6. Step 6: Final answer
    x = 14,326.36

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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.