Home / 18,262.95-27,347.34-15,647.36

Finding the Fourth Proportional to 18,262.95, 27,347.34 and 15,647.36

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Solution

The fourth proportional to 18,262.95, 27,347.34 and 15,647.36 is: 23,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.95 : 27,347.34 = 15,647.36 : x
  2. Step 2: Convert to fraction form
    18,262.95/27,347.34 = 15,647.36/x
  3. Step 3: Cross multiply
    18,262.95x = 27,347.34 × 15,647.36
  4. Step 4: Simplify right side
    18,262.95x = 427,913,537.29
  5. Step 5: Solve for x
    x = 427,913,537.29/18,262.95
  6. Step 6: Final answer
    x = 23,430.69

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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.