Home / 26,640.86-36,740.66-17,199.50

Finding the Fourth Proportional to 26,640.86, 36,740.66 and 17,199.50

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Solution

The fourth proportional to 26,640.86, 36,740.66 and 17,199.50 is: 23,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.86 : 36,740.66 = 17,199.50 : x
  2. Step 2: Convert to fraction form
    26,640.86/36,740.66 = 17,199.50/x
  3. Step 3: Cross multiply
    26,640.86x = 36,740.66 × 17,199.50
  4. Step 4: Simplify right side
    26,640.86x = 631,920,981.67
  5. Step 5: Solve for x
    x = 631,920,981.67/26,640.86
  6. Step 6: Final answer
    x = 23,719.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.