Home / 26,272.81-39,430.22-13,800.19

Finding the Fourth Proportional to 26,272.81, 39,430.22 and 13,800.19

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Solution

The fourth proportional to 26,272.81, 39,430.22 and 13,800.19 is: 20,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,272.81 : 39,430.22 = 13,800.19 : x
  2. Step 2: Convert to fraction form
    26,272.81/39,430.22 = 13,800.19/x
  3. Step 3: Cross multiply
    26,272.81x = 39,430.22 × 13,800.19
  4. Step 4: Simplify right side
    26,272.81x = 544,144,463.67
  5. Step 5: Solve for x
    x = 544,144,463.67/26,272.81
  6. Step 6: Final answer
    x = 20,711.32

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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.