Home / 28,465.40-39,277.08-19,993.41

Finding the Fourth Proportional to 28,465.40, 39,277.08 and 19,993.41

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Solution

The fourth proportional to 28,465.40, 39,277.08 and 19,993.41 is: 27,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.40 : 39,277.08 = 19,993.41 : x
  2. Step 2: Convert to fraction form
    28,465.40/39,277.08 = 19,993.41/x
  3. Step 3: Cross multiply
    28,465.40x = 39,277.08 × 19,993.41
  4. Step 4: Simplify right side
    28,465.40x = 785,282,764.04
  5. Step 5: Solve for x
    x = 785,282,764.04/28,465.40
  6. Step 6: Final answer
    x = 27,587.27

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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.