Home / 25,692.93-35,455.59-15,621.66

Finding the Fourth Proportional to 25,692.93, 35,455.59 and 15,621.66

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Solution

The fourth proportional to 25,692.93, 35,455.59 and 15,621.66 is: 21,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.93 : 35,455.59 = 15,621.66 : x
  2. Step 2: Convert to fraction form
    25,692.93/35,455.59 = 15,621.66/x
  3. Step 3: Cross multiply
    25,692.93x = 35,455.59 × 15,621.66
  4. Step 4: Simplify right side
    25,692.93x = 553,875,172.08
  5. Step 5: Solve for x
    x = 553,875,172.08/25,692.93
  6. Step 6: Final answer
    x = 21,557.49

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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.