Home / 28,598.63-39,466.10-17,420.63

Finding the Fourth Proportional to 28,598.63, 39,466.10 and 17,420.63

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Solution

The fourth proportional to 28,598.63, 39,466.10 and 17,420.63 is: 24,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.63 : 39,466.10 = 17,420.63 : x
  2. Step 2: Convert to fraction form
    28,598.63/39,466.10 = 17,420.63/x
  3. Step 3: Cross multiply
    28,598.63x = 39,466.10 × 17,420.63
  4. Step 4: Simplify right side
    28,598.63x = 687,524,171.86
  5. Step 5: Solve for x
    x = 687,524,171.86/28,598.63
  6. Step 6: Final answer
    x = 24,040.46

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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.