Home / 25,440.34-35,075.41-18,181.11

Finding the Fourth Proportional to 25,440.34, 35,075.41 and 18,181.11

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Solution

The fourth proportional to 25,440.34, 35,075.41 and 18,181.11 is: 25,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.34 : 35,075.41 = 18,181.11 : x
  2. Step 2: Convert to fraction form
    25,440.34/35,075.41 = 18,181.11/x
  3. Step 3: Cross multiply
    25,440.34x = 35,075.41 × 18,181.11
  4. Step 4: Simplify right side
    25,440.34x = 637,709,776.29
  5. Step 5: Solve for x
    x = 637,709,776.29/25,440.34
  6. Step 6: Final answer
    x = 25,066.87

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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.