Home / 28,021.95-38,666.97-19,066.59

Finding the Fourth Proportional to 28,021.95, 38,666.97 and 19,066.59

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Solution

The fourth proportional to 28,021.95, 38,666.97 and 19,066.59 is: 26,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.95 : 38,666.97 = 19,066.59 : x
  2. Step 2: Convert to fraction form
    28,021.95/38,666.97 = 19,066.59/x
  3. Step 3: Cross multiply
    28,021.95x = 38,666.97 × 19,066.59
  4. Step 4: Simplify right side
    28,021.95x = 737,247,263.53
  5. Step 5: Solve for x
    x = 737,247,263.53/28,021.95
  6. Step 6: Final answer
    x = 26,309.63

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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.