Home / 20,745.95-28,606.76-14,019.91

Finding the Fourth Proportional to 20,745.95, 28,606.76 and 14,019.91

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Solution

The fourth proportional to 20,745.95, 28,606.76 and 14,019.91 is: 19,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745.95 : 28,606.76 = 14,019.91 : x
  2. Step 2: Convert to fraction form
    20,745.95/28,606.76 = 14,019.91/x
  3. Step 3: Cross multiply
    20,745.95x = 28,606.76 × 14,019.91
  4. Step 4: Simplify right side
    20,745.95x = 401,064,200.59
  5. Step 5: Solve for x
    x = 401,064,200.59/20,745.95
  6. Step 6: Final answer
    x = 19,332.17

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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.