Home / 28,932.07-39,943.67-18,877.94

Finding the Fourth Proportional to 28,932.07, 39,943.67 and 18,877.94

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Solution

The fourth proportional to 28,932.07, 39,943.67 and 18,877.94 is: 26,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.07 : 39,943.67 = 18,877.94 : x
  2. Step 2: Convert to fraction form
    28,932.07/39,943.67 = 18,877.94/x
  3. Step 3: Cross multiply
    28,932.07x = 39,943.67 × 18,877.94
  4. Step 4: Simplify right side
    28,932.07x = 754,054,205.64
  5. Step 5: Solve for x
    x = 754,054,205.64/28,932.07
  6. Step 6: Final answer
    x = 26,062.92

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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.