Home / 28,289.41-39,040.01-16,353.25

Finding the Fourth Proportional to 28,289.41, 39,040.01 and 16,353.25

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Solution

The fourth proportional to 28,289.41, 39,040.01 and 16,353.25 is: 22,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.41 : 39,040.01 = 16,353.25 : x
  2. Step 2: Convert to fraction form
    28,289.41/39,040.01 = 16,353.25/x
  3. Step 3: Cross multiply
    28,289.41x = 39,040.01 × 16,353.25
  4. Step 4: Simplify right side
    28,289.41x = 638,430,925.49
  5. Step 5: Solve for x
    x = 638,430,925.49/28,289.41
  6. Step 6: Final answer
    x = 22,567.84

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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.