Home / 28,684.29-39,583.18-15,938.26

Finding the Fourth Proportional to 28,684.29, 39,583.18 and 15,938.26

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Solution

The fourth proportional to 28,684.29, 39,583.18 and 15,938.26 is: 21,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.29 : 39,583.18 = 15,938.26 : x
  2. Step 2: Convert to fraction form
    28,684.29/39,583.18 = 15,938.26/x
  3. Step 3: Cross multiply
    28,684.29x = 39,583.18 × 15,938.26
  4. Step 4: Simplify right side
    28,684.29x = 630,887,014.47
  5. Step 5: Solve for x
    x = 630,887,014.47/28,684.29
  6. Step 6: Final answer
    x = 21,994.17

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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.