Home / 27,020.81-37,288.10-15,085.26

Finding the Fourth Proportional to 27,020.81, 37,288.10 and 15,085.26

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Solution

The fourth proportional to 27,020.81, 37,288.10 and 15,085.26 is: 20,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.81 : 37,288.10 = 15,085.26 : x
  2. Step 2: Convert to fraction form
    27,020.81/37,288.10 = 15,085.26/x
  3. Step 3: Cross multiply
    27,020.81x = 37,288.10 × 15,085.26
  4. Step 4: Simplify right side
    27,020.81x = 562,500,607.98
  5. Step 5: Solve for x
    x = 562,500,607.98/27,020.81
  6. Step 6: Final answer
    x = 20,817.31

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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.