Home / 26,878.81-40,256.73-12,848.71

Finding the Fourth Proportional to 26,878.81, 40,256.73 and 12,848.71

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Solution

The fourth proportional to 26,878.81, 40,256.73 and 12,848.71 is: 19,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.81 : 40,256.73 = 12,848.71 : x
  2. Step 2: Convert to fraction form
    26,878.81/40,256.73 = 12,848.71/x
  3. Step 3: Cross multiply
    26,878.81x = 40,256.73 × 12,848.71
  4. Step 4: Simplify right side
    26,878.81x = 517,247,049.32
  5. Step 5: Solve for x
    x = 517,247,049.32/26,878.81
  6. Step 6: Final answer
    x = 19,243.67

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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.