Home / 28,946.43-39,950.37-18,337.05

Finding the Fourth Proportional to 28,946.43, 39,950.37 and 18,337.05

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Solution

The fourth proportional to 28,946.43, 39,950.37 and 18,337.05 is: 25,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.43 : 39,950.37 = 18,337.05 : x
  2. Step 2: Convert to fraction form
    28,946.43/39,950.37 = 18,337.05/x
  3. Step 3: Cross multiply
    28,946.43x = 39,950.37 × 18,337.05
  4. Step 4: Simplify right side
    28,946.43x = 732,571,932.21
  5. Step 5: Solve for x
    x = 732,571,932.21/28,946.43
  6. Step 6: Final answer
    x = 25,307.85

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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.