Home / 28,310.85-39,036.83-18,088.34

Finding the Fourth Proportional to 28,310.85, 39,036.83 and 18,088.34

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Solution

The fourth proportional to 28,310.85, 39,036.83 and 18,088.34 is: 24,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.85 : 39,036.83 = 18,088.34 : x
  2. Step 2: Convert to fraction form
    28,310.85/39,036.83 = 18,088.34/x
  3. Step 3: Cross multiply
    28,310.85x = 39,036.83 × 18,088.34
  4. Step 4: Simplify right side
    28,310.85x = 706,111,167.94
  5. Step 5: Solve for x
    x = 706,111,167.94/28,310.85
  6. Step 6: Final answer
    x = 24,941.36

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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.