Home / 27,217.79-37,559.58-15,281.63

Finding the Fourth Proportional to 27,217.79, 37,559.58 and 15,281.63

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Solution

The fourth proportional to 27,217.79, 37,559.58 and 15,281.63 is: 21,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.79 : 37,559.58 = 15,281.63 : x
  2. Step 2: Convert to fraction form
    27,217.79/37,559.58 = 15,281.63/x
  3. Step 3: Cross multiply
    27,217.79x = 37,559.58 × 15,281.63
  4. Step 4: Simplify right side
    27,217.79x = 573,971,416.72
  5. Step 5: Solve for x
    x = 573,971,416.72/27,217.79
  6. Step 6: Final answer
    x = 21,088.10

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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.