Home / 28,564.86-39,415.77-16,630.32

Finding the Fourth Proportional to 28,564.86, 39,415.77 and 16,630.32

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Solution

The fourth proportional to 28,564.86, 39,415.77 and 16,630.32 is: 22,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564.86 : 39,415.77 = 16,630.32 : x
  2. Step 2: Convert to fraction form
    28,564.86/39,415.77 = 16,630.32/x
  3. Step 3: Cross multiply
    28,564.86x = 39,415.77 × 16,630.32
  4. Step 4: Simplify right side
    28,564.86x = 655,496,868.15
  5. Step 5: Solve for x
    x = 655,496,868.15/28,564.86
  6. Step 6: Final answer
    x = 22,947.67

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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.