Home / 26,482.30-39,704.18-12,435.10

Finding the Fourth Proportional to 26,482.30, 39,704.18 and 12,435.10

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Solution

The fourth proportional to 26,482.30, 39,704.18 and 12,435.10 is: 18,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,482.30 : 39,704.18 = 12,435.10 : x
  2. Step 2: Convert to fraction form
    26,482.30/39,704.18 = 12,435.10/x
  3. Step 3: Cross multiply
    26,482.30x = 39,704.18 × 12,435.10
  4. Step 4: Simplify right side
    26,482.30x = 493,725,448.72
  5. Step 5: Solve for x
    x = 493,725,448.72/26,482.30
  6. Step 6: Final answer
    x = 18,643.60

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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.