Home / 39,428.70-59,165.73-21,897.06

Finding the Fourth Proportional to 39,428.70, 59,165.73 and 21,897.06

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Solution

The fourth proportional to 39,428.70, 59,165.73 and 21,897.06 is: 32,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.70 : 59,165.73 = 21,897.06 : x
  2. Step 2: Convert to fraction form
    39,428.70/59,165.73 = 21,897.06/x
  3. Step 3: Cross multiply
    39,428.70x = 59,165.73 × 21,897.06
  4. Step 4: Simplify right side
    39,428.70x = 1,295,555,539.75
  5. Step 5: Solve for x
    x = 1,295,555,539.75/39,428.70
  6. Step 6: Final answer
    x = 32,858.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.