Home / 27,085.55-37,378.31-14,987.81

Finding the Fourth Proportional to 27,085.55, 37,378.31 and 14,987.81

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Solution

The fourth proportional to 27,085.55, 37,378.31 and 14,987.81 is: 20,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.55 : 37,378.31 = 14,987.81 : x
  2. Step 2: Convert to fraction form
    27,085.55/37,378.31 = 14,987.81/x
  3. Step 3: Cross multiply
    27,085.55x = 37,378.31 × 14,987.81
  4. Step 4: Simplify right side
    27,085.55x = 560,218,933.46
  5. Step 5: Solve for x
    x = 560,218,933.46/27,085.55
  6. Step 6: Final answer
    x = 20,683.31

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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.