Home / 28,733.85-39,633.35-18,114.57

Finding the Fourth Proportional to 28,733.85, 39,633.35 and 18,114.57

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Solution

The fourth proportional to 28,733.85, 39,633.35 and 18,114.57 is: 24,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.85 : 39,633.35 = 18,114.57 : x
  2. Step 2: Convert to fraction form
    28,733.85/39,633.35 = 18,114.57/x
  3. Step 3: Cross multiply
    28,733.85x = 39,633.35 × 18,114.57
  4. Step 4: Simplify right side
    28,733.85x = 717,941,002.34
  5. Step 5: Solve for x
    x = 717,941,002.34/28,733.85
  6. Step 6: Final answer
    x = 24,985.90

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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.