Home / 20,205.36-27,881.55-14,903.10

Finding the Fourth Proportional to 20,205.36, 27,881.55 and 14,903.10

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Solution

The fourth proportional to 20,205.36, 27,881.55 and 14,903.10 is: 20,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.36 : 27,881.55 = 14,903.10 : x
  2. Step 2: Convert to fraction form
    20,205.36/27,881.55 = 14,903.10/x
  3. Step 3: Cross multiply
    20,205.36x = 27,881.55 × 14,903.10
  4. Step 4: Simplify right side
    20,205.36x = 415,521,527.81
  5. Step 5: Solve for x
    x = 415,521,527.81/20,205.36
  6. Step 6: Final answer
    x = 20,564.92

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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.