Home / 22,580.93-31,161.26-13,628.81

Finding the Fourth Proportional to 22,580.93, 31,161.26 and 13,628.81

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Solution

The fourth proportional to 22,580.93, 31,161.26 and 13,628.81 is: 18,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.93 : 31,161.26 = 13,628.81 : x
  2. Step 2: Convert to fraction form
    22,580.93/31,161.26 = 13,628.81/x
  3. Step 3: Cross multiply
    22,580.93x = 31,161.26 × 13,628.81
  4. Step 4: Simplify right side
    22,580.93x = 424,690,751.93
  5. Step 5: Solve for x
    x = 424,690,751.93/22,580.93
  6. Step 6: Final answer
    x = 18,807.50

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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.