Home / 28,465.92-39,271.68-19,019.52

Finding the Fourth Proportional to 28,465.92, 39,271.68 and 19,019.52

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Solution

The fourth proportional to 28,465.92, 39,271.68 and 19,019.52 is: 26,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.92 : 39,271.68 = 19,019.52 : x
  2. Step 2: Convert to fraction form
    28,465.92/39,271.68 = 19,019.52/x
  3. Step 3: Cross multiply
    28,465.92x = 39,271.68 × 19,019.52
  4. Step 4: Simplify right side
    28,465.92x = 746,928,503.19
  5. Step 5: Solve for x
    x = 746,928,503.19/28,465.92
  6. Step 6: Final answer
    x = 26,239.39

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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.