Home / 27,599.27-38,002.65-20,803.17

Finding the Fourth Proportional to 27,599.27, 38,002.65 and 20,803.17

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Solution

The fourth proportional to 27,599.27, 38,002.65 and 20,803.17 is: 28,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,599.27 : 38,002.65 = 20,803.17 : x
  2. Step 2: Convert to fraction form
    27,599.27/38,002.65 = 20,803.17/x
  3. Step 3: Cross multiply
    27,599.27x = 38,002.65 × 20,803.17
  4. Step 4: Simplify right side
    27,599.27x = 790,575,588.40
  5. Step 5: Solve for x
    x = 790,575,588.40/27,599.27
  6. Step 6: Final answer
    x = 28,644.80

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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.