Home / 28,537.22-42,808.26-7,477.18

Finding the Fourth Proportional to 28,537.22, 42,808.26 and 7,477.18

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Solution

The fourth proportional to 28,537.22, 42,808.26 and 7,477.18 is: 11,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.22 : 42,808.26 = 7,477.18 : x
  2. Step 2: Convert to fraction form
    28,537.22/42,808.26 = 7,477.18/x
  3. Step 3: Cross multiply
    28,537.22x = 42,808.26 × 7,477.18
  4. Step 4: Simplify right side
    28,537.22x = 320,085,065.51
  5. Step 5: Solve for x
    x = 320,085,065.51/28,537.22
  6. Step 6: Final answer
    x = 11,216.41

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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.