Home / 35,428.80-53,147.04-13,252.80

Finding the Fourth Proportional to 35,428.80, 53,147.04 and 13,252.80

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Solution

The fourth proportional to 35,428.80, 53,147.04 and 13,252.80 is: 19,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.80 : 53,147.04 = 13,252.80 : x
  2. Step 2: Convert to fraction form
    35,428.80/53,147.04 = 13,252.80/x
  3. Step 3: Cross multiply
    35,428.80x = 53,147.04 × 13,252.80
  4. Step 4: Simplify right side
    35,428.80x = 704,347,091.71
  5. Step 5: Solve for x
    x = 704,347,091.71/35,428.80
  6. Step 6: Final answer
    x = 19,880.64

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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.