Home / 28,410.34-39,205.47-17,805.82

Finding the Fourth Proportional to 28,410.34, 39,205.47 and 17,805.82

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Solution

The fourth proportional to 28,410.34, 39,205.47 and 17,805.82 is: 24,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.34 : 39,205.47 = 17,805.82 : x
  2. Step 2: Convert to fraction form
    28,410.34/39,205.47 = 17,805.82/x
  3. Step 3: Cross multiply
    28,410.34x = 39,205.47 × 17,805.82
  4. Step 4: Simplify right side
    28,410.34x = 698,085,541.84
  5. Step 5: Solve for x
    x = 698,085,541.84/28,410.34
  6. Step 6: Final answer
    x = 24,571.53

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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.