Home / 26,689.95-40,007.10-10,038.51

Finding the Fourth Proportional to 26,689.95, 40,007.10 and 10,038.51

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Solution

The fourth proportional to 26,689.95, 40,007.10 and 10,038.51 is: 15,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.95 : 40,007.10 = 10,038.51 : x
  2. Step 2: Convert to fraction form
    26,689.95/40,007.10 = 10,038.51/x
  3. Step 3: Cross multiply
    26,689.95x = 40,007.10 × 10,038.51
  4. Step 4: Simplify right side
    26,689.95x = 401,611,673.42
  5. Step 5: Solve for x
    x = 401,611,673.42/26,689.95
  6. Step 6: Final answer
    x = 15,047.30

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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.