Home / 28,196.81-38,962.91-26,830.34

Finding the Fourth Proportional to 28,196.81, 38,962.91 and 26,830.34

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Solution

The fourth proportional to 28,196.81, 38,962.91 and 26,830.34 is: 37,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.81 : 38,962.91 = 26,830.34 : x
  2. Step 2: Convert to fraction form
    28,196.81/38,962.91 = 26,830.34/x
  3. Step 3: Cross multiply
    28,196.81x = 38,962.91 × 26,830.34
  4. Step 4: Simplify right side
    28,196.81x = 1,045,387,994.95
  5. Step 5: Solve for x
    x = 1,045,387,994.95/28,196.81
  6. Step 6: Final answer
    x = 37,074.70

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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.