Home / 25,692.40-38,538.60-16,835.20

Finding the Fourth Proportional to 25,692.40, 38,538.60 and 16,835.20

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Solution

The fourth proportional to 25,692.40, 38,538.60 and 16,835.20 is: 25,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.40 : 38,538.60 = 16,835.20 : x
  2. Step 2: Convert to fraction form
    25,692.40/38,538.60 = 16,835.20/x
  3. Step 3: Cross multiply
    25,692.40x = 38,538.60 × 16,835.20
  4. Step 4: Simplify right side
    25,692.40x = 648,805,038.72
  5. Step 5: Solve for x
    x = 648,805,038.72/25,692.40
  6. Step 6: Final answer
    x = 25,252.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.