Home / 28,681.48-39,575.14-17,196.49

Finding the Fourth Proportional to 28,681.48, 39,575.14 and 17,196.49

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Solution

The fourth proportional to 28,681.48, 39,575.14 and 17,196.49 is: 23,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.48 : 39,575.14 = 17,196.49 : x
  2. Step 2: Convert to fraction form
    28,681.48/39,575.14 = 17,196.49/x
  3. Step 3: Cross multiply
    28,681.48x = 39,575.14 × 17,196.49
  4. Step 4: Simplify right side
    28,681.48x = 680,553,499.26
  5. Step 5: Solve for x
    x = 680,553,499.26/28,681.48
  6. Step 6: Final answer
    x = 23,727.98

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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.