Home / 28,025.01-38,672.57-15,762.25

Finding the Fourth Proportional to 28,025.01, 38,672.57 and 15,762.25

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Solution

The fourth proportional to 28,025.01, 38,672.57 and 15,762.25 is: 21,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.01 : 38,672.57 = 15,762.25 : x
  2. Step 2: Convert to fraction form
    28,025.01/38,672.57 = 15,762.25/x
  3. Step 3: Cross multiply
    28,025.01x = 38,672.57 × 15,762.25
  4. Step 4: Simplify right side
    28,025.01x = 609,566,804.23
  5. Step 5: Solve for x
    x = 609,566,804.23/28,025.01
  6. Step 6: Final answer
    x = 21,750.81

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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.