Home / 26,689.84-40,045.88-11,707.72

Finding the Fourth Proportional to 26,689.84, 40,045.88 and 11,707.72

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Solution

The fourth proportional to 26,689.84, 40,045.88 and 11,707.72 is: 17,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.84 : 40,045.88 = 11,707.72 : x
  2. Step 2: Convert to fraction form
    26,689.84/40,045.88 = 11,707.72/x
  3. Step 3: Cross multiply
    26,689.84x = 40,045.88 × 11,707.72
  4. Step 4: Simplify right side
    26,689.84x = 468,845,959.05
  5. Step 5: Solve for x
    x = 468,845,959.05/26,689.84
  6. Step 6: Final answer
    x = 17,566.46

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1.5x scale

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.