Home / 27,089.86-37,386.82-15,605.16

Finding the Fourth Proportional to 27,089.86, 37,386.82 and 15,605.16

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Solution

The fourth proportional to 27,089.86, 37,386.82 and 15,605.16 is: 21,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.86 : 37,386.82 = 15,605.16 : x
  2. Step 2: Convert to fraction form
    27,089.86/37,386.82 = 15,605.16/x
  3. Step 3: Cross multiply
    27,089.86x = 37,386.82 × 15,605.16
  4. Step 4: Simplify right side
    27,089.86x = 583,427,409.18
  5. Step 5: Solve for x
    x = 583,427,409.18/27,089.86
  6. Step 6: Final answer
    x = 21,536.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.