Home / 35,428.99-53,144.28-13,230.26

Finding the Fourth Proportional to 35,428.99, 53,144.28 and 13,230.26

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Solution

The fourth proportional to 35,428.99, 53,144.28 and 13,230.26 is: 19,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.99 : 53,144.28 = 13,230.26 : x
  2. Step 2: Convert to fraction form
    35,428.99/53,144.28 = 13,230.26/x
  3. Step 3: Cross multiply
    35,428.99x = 53,144.28 × 13,230.26
  4. Step 4: Simplify right side
    35,428.99x = 703,112,376.19
  5. Step 5: Solve for x
    x = 703,112,376.19/35,428.99
  6. Step 6: Final answer
    x = 19,845.68

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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.