Home / 28,883.07-39,858.75-16,946.64

Finding the Fourth Proportional to 28,883.07, 39,858.75 and 16,946.64

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Solution

The fourth proportional to 28,883.07, 39,858.75 and 16,946.64 is: 23,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.07 : 39,858.75 = 16,946.64 : x
  2. Step 2: Convert to fraction form
    28,883.07/39,858.75 = 16,946.64/x
  3. Step 3: Cross multiply
    28,883.07x = 39,858.75 × 16,946.64
  4. Step 4: Simplify right side
    28,883.07x = 675,471,887.10
  5. Step 5: Solve for x
    x = 675,471,887.10/28,883.07
  6. Step 6: Final answer
    x = 23,386.43

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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.