Home / 28,350.09-39,123.09-17,029.26

Finding the Fourth Proportional to 28,350.09, 39,123.09 and 17,029.26

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Solution

The fourth proportional to 28,350.09, 39,123.09 and 17,029.26 is: 23,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.09 : 39,123.09 = 17,029.26 : x
  2. Step 2: Convert to fraction form
    28,350.09/39,123.09 = 17,029.26/x
  3. Step 3: Cross multiply
    28,350.09x = 39,123.09 × 17,029.26
  4. Step 4: Simplify right side
    28,350.09x = 666,237,271.61
  5. Step 5: Solve for x
    x = 666,237,271.61/28,350.09
  6. Step 6: Final answer
    x = 23,500.36

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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.