Home / 27,734.81-38,274.04-14,987.94

Finding the Fourth Proportional to 27,734.81, 38,274.04 and 14,987.94

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Solution

The fourth proportional to 27,734.81, 38,274.04 and 14,987.94 is: 20,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.81 : 38,274.04 = 14,987.94 : x
  2. Step 2: Convert to fraction form
    27,734.81/38,274.04 = 14,987.94/x
  3. Step 3: Cross multiply
    27,734.81x = 38,274.04 × 14,987.94
  4. Step 4: Simplify right side
    27,734.81x = 573,649,128.91
  5. Step 5: Solve for x
    x = 573,649,128.91/27,734.81
  6. Step 6: Final answer
    x = 20,683.37

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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.