Home / 27,841.50-38,421.45-15,094.74

Finding the Fourth Proportional to 27,841.50, 38,421.45 and 15,094.74

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Solution

The fourth proportional to 27,841.50, 38,421.45 and 15,094.74 is: 20,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.50 : 38,421.45 = 15,094.74 : x
  2. Step 2: Convert to fraction form
    27,841.50/38,421.45 = 15,094.74/x
  3. Step 3: Cross multiply
    27,841.50x = 38,421.45 × 15,094.74
  4. Step 4: Simplify right side
    27,841.50x = 579,961,909.45
  5. Step 5: Solve for x
    x = 579,961,909.45/27,841.50
  6. Step 6: Final answer
    x = 20,830.84

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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.