Home / 27,915.86-38,526.04-15,982.94

Finding the Fourth Proportional to 27,915.86, 38,526.04 and 15,982.94

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Solution

The fourth proportional to 27,915.86, 38,526.04 and 15,982.94 is: 22,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.86 : 38,526.04 = 15,982.94 : x
  2. Step 2: Convert to fraction form
    27,915.86/38,526.04 = 15,982.94/x
  3. Step 3: Cross multiply
    27,915.86x = 38,526.04 × 15,982.94
  4. Step 4: Simplify right side
    27,915.86x = 615,759,385.76
  5. Step 5: Solve for x
    x = 615,759,385.76/27,915.86
  6. Step 6: Final answer
    x = 22,057.69

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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.