Home / 28,048.53-42,109.53-19,732.47

Finding the Fourth Proportional to 28,048.53, 42,109.53 and 19,732.47

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Solution

The fourth proportional to 28,048.53, 42,109.53 and 19,732.47 is: 29,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.53 : 42,109.53 = 19,732.47 : x
  2. Step 2: Convert to fraction form
    28,048.53/42,109.53 = 19,732.47/x
  3. Step 3: Cross multiply
    28,048.53x = 42,109.53 × 19,732.47
  4. Step 4: Simplify right side
    28,048.53x = 830,925,037.44
  5. Step 5: Solve for x
    x = 830,925,037.44/28,048.53
  6. Step 6: Final answer
    x = 29,624.55

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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.