Home / 27,700.66-38,225.14-15,125.41

Finding the Fourth Proportional to 27,700.66, 38,225.14 and 15,125.41

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Solution

The fourth proportional to 27,700.66, 38,225.14 and 15,125.41 is: 20,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.66 : 38,225.14 = 15,125.41 : x
  2. Step 2: Convert to fraction form
    27,700.66/38,225.14 = 15,125.41/x
  3. Step 3: Cross multiply
    27,700.66x = 38,225.14 × 15,125.41
  4. Step 4: Simplify right side
    27,700.66x = 578,170,914.81
  5. Step 5: Solve for x
    x = 578,170,914.81/27,700.66
  6. Step 6: Final answer
    x = 20,872.10

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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.