Home / 26,987.16-40,460.75-12,933.81

Finding the Fourth Proportional to 26,987.16, 40,460.75 and 12,933.81

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Solution

The fourth proportional to 26,987.16, 40,460.75 and 12,933.81 is: 19,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.16 : 40,460.75 = 12,933.81 : x
  2. Step 2: Convert to fraction form
    26,987.16/40,460.75 = 12,933.81/x
  3. Step 3: Cross multiply
    26,987.16x = 40,460.75 × 12,933.81
  4. Step 4: Simplify right side
    26,987.16x = 523,311,636.79
  5. Step 5: Solve for x
    x = 523,311,636.79/26,987.16
  6. Step 6: Final answer
    x = 19,391.13

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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.