Home / 26,439.60-39,606.51-15,903.81

Finding the Fourth Proportional to 26,439.60, 39,606.51 and 15,903.81

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Solution

The fourth proportional to 26,439.60, 39,606.51 and 15,903.81 is: 23,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.60 : 39,606.51 = 15,903.81 : x
  2. Step 2: Convert to fraction form
    26,439.60/39,606.51 = 15,903.81/x
  3. Step 3: Cross multiply
    26,439.60x = 39,606.51 × 15,903.81
  4. Step 4: Simplify right side
    26,439.60x = 629,894,211.77
  5. Step 5: Solve for x
    x = 629,894,211.77/26,439.60
  6. Step 6: Final answer
    x = 23,823.89

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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.