Home / 28,968-43,386.16-18,437.92

Finding the Fourth Proportional to 28,968, 43,386.16 and 18,437.92

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Solution

The fourth proportional to 28,968, 43,386.16 and 18,437.92 is: 27,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968 : 43,386.16 = 18,437.92 : x
  2. Step 2: Convert to fraction form
    28,968/43,386.16 = 18,437.92/x
  3. Step 3: Cross multiply
    28,968x = 43,386.16 × 18,437.92
  4. Step 4: Simplify right side
    28,968x = 799,950,547.19
  5. Step 5: Solve for x
    x = 799,950,547.19/28,968
  6. Step 6: Final answer
    x = 27,614.97

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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.