Home / 26,689.22-39,975.51-13,518.98

Finding the Fourth Proportional to 26,689.22, 39,975.51 and 13,518.98

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Solution

The fourth proportional to 26,689.22, 39,975.51 and 13,518.98 is: 20,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.22 : 39,975.51 = 13,518.98 : x
  2. Step 2: Convert to fraction form
    26,689.22/39,975.51 = 13,518.98/x
  3. Step 3: Cross multiply
    26,689.22x = 39,975.51 × 13,518.98
  4. Step 4: Simplify right side
    26,689.22x = 540,428,120.18
  5. Step 5: Solve for x
    x = 540,428,120.18/26,689.22
  6. Step 6: Final answer
    x = 20,248.93

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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.