Home / 27,085.80-37,378.65-14,988.06

Finding the Fourth Proportional to 27,085.80, 37,378.65 and 14,988.06

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Solution

The fourth proportional to 27,085.80, 37,378.65 and 14,988.06 is: 20,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.80 : 37,378.65 = 14,988.06 : x
  2. Step 2: Convert to fraction form
    27,085.80/37,378.65 = 14,988.06/x
  3. Step 3: Cross multiply
    27,085.80x = 37,378.65 × 14,988.06
  4. Step 4: Simplify right side
    27,085.80x = 560,233,448.92
  5. Step 5: Solve for x
    x = 560,233,448.92/27,085.80
  6. Step 6: Final answer
    x = 20,683.66

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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.