Home / 28,948.98-39,950.73-18,884.10

Finding the Fourth Proportional to 28,948.98, 39,950.73 and 18,884.10

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Solution

The fourth proportional to 28,948.98, 39,950.73 and 18,884.10 is: 26,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.98 : 39,950.73 = 18,884.10 : x
  2. Step 2: Convert to fraction form
    28,948.98/39,950.73 = 18,884.10/x
  3. Step 3: Cross multiply
    28,948.98x = 39,950.73 × 18,884.10
  4. Step 4: Simplify right side
    28,948.98x = 754,433,580.39
  5. Step 5: Solve for x
    x = 754,433,580.39/28,948.98
  6. Step 6: Final answer
    x = 26,060.80

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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.