Home / 26,689.02-40,019.93-8,913.29

Finding the Fourth Proportional to 26,689.02, 40,019.93 and 8,913.29

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Solution

The fourth proportional to 26,689.02, 40,019.93 and 8,913.29 is: 13,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.02 : 40,019.93 = 8,913.29 : x
  2. Step 2: Convert to fraction form
    26,689.02/40,019.93 = 8,913.29/x
  3. Step 3: Cross multiply
    26,689.02x = 40,019.93 × 8,913.29
  4. Step 4: Simplify right side
    26,689.02x = 356,709,030.63
  5. Step 5: Solve for x
    x = 356,709,030.63/26,689.02
  6. Step 6: Final answer
    x = 13,365.39

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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.