Home / 28,622.16-39,503.52-16,692.48

Finding the Fourth Proportional to 28,622.16, 39,503.52 and 16,692.48

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Solution

The fourth proportional to 28,622.16, 39,503.52 and 16,692.48 is: 23,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.16 : 39,503.52 = 16,692.48 : x
  2. Step 2: Convert to fraction form
    28,622.16/39,503.52 = 16,692.48/x
  3. Step 3: Cross multiply
    28,622.16x = 39,503.52 × 16,692.48
  4. Step 4: Simplify right side
    28,622.16x = 659,411,717.53
  5. Step 5: Solve for x
    x = 659,411,717.53/28,622.16
  6. Step 6: Final answer
    x = 23,038.50

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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.