Home / 28,762.88-43,055.12-15,582.56

Finding the Fourth Proportional to 28,762.88, 43,055.12 and 15,582.56

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Solution

The fourth proportional to 28,762.88, 43,055.12 and 15,582.56 is: 23,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.88 : 43,055.12 = 15,582.56 : x
  2. Step 2: Convert to fraction form
    28,762.88/43,055.12 = 15,582.56/x
  3. Step 3: Cross multiply
    28,762.88x = 43,055.12 × 15,582.56
  4. Step 4: Simplify right side
    28,762.88x = 670,908,990.71
  5. Step 5: Solve for x
    x = 670,908,990.71/28,762.88
  6. Step 6: Final answer
    x = 23,325.52

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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.