Home / 27,564.88-38,039.55-14,989.63

Finding the Fourth Proportional to 27,564.88, 38,039.55 and 14,989.63

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Solution

The fourth proportional to 27,564.88, 38,039.55 and 14,989.63 is: 20,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.88 : 38,039.55 = 14,989.63 : x
  2. Step 2: Convert to fraction form
    27,564.88/38,039.55 = 14,989.63/x
  3. Step 3: Cross multiply
    27,564.88x = 38,039.55 × 14,989.63
  4. Step 4: Simplify right side
    27,564.88x = 570,198,779.87
  5. Step 5: Solve for x
    x = 570,198,779.87/27,564.88
  6. Step 6: Final answer
    x = 20,685.70

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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.