Home / 28,284.63-42,427.07-9,564.77

Finding the Fourth Proportional to 28,284.63, 42,427.07 and 9,564.77

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Solution

The fourth proportional to 28,284.63, 42,427.07 and 9,564.77 is: 14,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.63 : 42,427.07 = 9,564.77 : x
  2. Step 2: Convert to fraction form
    28,284.63/42,427.07 = 9,564.77/x
  3. Step 3: Cross multiply
    28,284.63x = 42,427.07 × 9,564.77
  4. Step 4: Simplify right side
    28,284.63x = 405,804,906.36
  5. Step 5: Solve for x
    x = 405,804,906.36/28,284.63
  6. Step 6: Final answer
    x = 14,347.19

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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.