Home / 28,444.69-42,681.44-19,191.25

Finding the Fourth Proportional to 28,444.69, 42,681.44 and 19,191.25

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Solution

The fourth proportional to 28,444.69, 42,681.44 and 19,191.25 is: 28,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.69 : 42,681.44 = 19,191.25 : x
  2. Step 2: Convert to fraction form
    28,444.69/42,681.44 = 19,191.25/x
  3. Step 3: Cross multiply
    28,444.69x = 42,681.44 × 19,191.25
  4. Step 4: Simplify right side
    28,444.69x = 819,110,185.40
  5. Step 5: Solve for x
    x = 819,110,185.40/28,444.69
  6. Step 6: Final answer
    x = 28,796.59

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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.