Home / 28,358.43-39,130.07-17,026.13

Finding the Fourth Proportional to 28,358.43, 39,130.07 and 17,026.13

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Solution

The fourth proportional to 28,358.43, 39,130.07 and 17,026.13 is: 23,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.43 : 39,130.07 = 17,026.13 : x
  2. Step 2: Convert to fraction form
    28,358.43/39,130.07 = 17,026.13/x
  3. Step 3: Cross multiply
    28,358.43x = 39,130.07 × 17,026.13
  4. Step 4: Simplify right side
    28,358.43x = 666,233,377.95
  5. Step 5: Solve for x
    x = 666,233,377.95/28,358.43
  6. Step 6: Final answer
    x = 23,493.31

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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.