Home / 35,721.28-53,577.80-9,428.07

Finding the Fourth Proportional to 35,721.28, 53,577.80 and 9,428.07

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Solution

The fourth proportional to 35,721.28, 53,577.80 and 9,428.07 is: 14,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.28 : 53,577.80 = 9,428.07 : x
  2. Step 2: Convert to fraction form
    35,721.28/53,577.80 = 9,428.07/x
  3. Step 3: Cross multiply
    35,721.28x = 53,577.80 × 9,428.07
  4. Step 4: Simplify right side
    35,721.28x = 505,135,201.71
  5. Step 5: Solve for x
    x = 505,135,201.71/35,721.28
  6. Step 6: Final answer
    x = 14,141.02

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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.