Home / 25,692.50-35,461.37-15,618.81

Finding the Fourth Proportional to 25,692.50, 35,461.37 and 15,618.81

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Solution

The fourth proportional to 25,692.50, 35,461.37 and 15,618.81 is: 21,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.50 : 35,461.37 = 15,618.81 : x
  2. Step 2: Convert to fraction form
    25,692.50/35,461.37 = 15,618.81/x
  3. Step 3: Cross multiply
    25,692.50x = 35,461.37 × 15,618.81
  4. Step 4: Simplify right side
    25,692.50x = 553,864,400.37
  5. Step 5: Solve for x
    x = 553,864,400.37/25,692.50
  6. Step 6: Final answer
    x = 21,557.44

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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.