Home / 28,567.84-39,427.14-17,243.84

Finding the Fourth Proportional to 28,567.84, 39,427.14 and 17,243.84

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Solution

The fourth proportional to 28,567.84, 39,427.14 and 17,243.84 is: 23,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.84 : 39,427.14 = 17,243.84 : x
  2. Step 2: Convert to fraction form
    28,567.84/39,427.14 = 17,243.84/x
  3. Step 3: Cross multiply
    28,567.84x = 39,427.14 × 17,243.84
  4. Step 4: Simplify right side
    28,567.84x = 679,875,096.68
  5. Step 5: Solve for x
    x = 679,875,096.68/28,567.84
  6. Step 6: Final answer
    x = 23,798.62

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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.