Home / 19,317.44-28,980.50-10,432.58

Finding the Fourth Proportional to 19,317.44, 28,980.50 and 10,432.58

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Solution

The fourth proportional to 19,317.44, 28,980.50 and 10,432.58 is: 15,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.44 : 28,980.50 = 10,432.58 : x
  2. Step 2: Convert to fraction form
    19,317.44/28,980.50 = 10,432.58/x
  3. Step 3: Cross multiply
    19,317.44x = 28,980.50 × 10,432.58
  4. Step 4: Simplify right side
    19,317.44x = 302,341,384.69
  5. Step 5: Solve for x
    x = 302,341,384.69/19,317.44
  6. Step 6: Final answer
    x = 15,651.21

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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.