Home / 19,048.32-28,503.36-15,730.56

Finding the Fourth Proportional to 19,048.32, 28,503.36 and 15,730.56

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Solution

The fourth proportional to 19,048.32, 28,503.36 and 15,730.56 is: 23,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.32 : 28,503.36 = 15,730.56 : x
  2. Step 2: Convert to fraction form
    19,048.32/28,503.36 = 15,730.56/x
  3. Step 3: Cross multiply
    19,048.32x = 28,503.36 × 15,730.56
  4. Step 4: Simplify right side
    19,048.32x = 448,373,814.68
  5. Step 5: Solve for x
    x = 448,373,814.68/19,048.32
  6. Step 6: Final answer
    x = 23,538.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.