Home / 26,448.15-39,636.18-13,309.55

Finding the Fourth Proportional to 26,448.15, 39,636.18 and 13,309.55

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Solution

The fourth proportional to 26,448.15, 39,636.18 and 13,309.55 is: 19,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.15 : 39,636.18 = 13,309.55 : x
  2. Step 2: Convert to fraction form
    26,448.15/39,636.18 = 13,309.55/x
  3. Step 3: Cross multiply
    26,448.15x = 39,636.18 × 13,309.55
  4. Step 4: Simplify right side
    26,448.15x = 527,539,521.34
  5. Step 5: Solve for x
    x = 527,539,521.34/26,448.15
  6. Step 6: Final answer
    x = 19,946.18

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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.