Home / 27,457.40-37,899.27-15,975.05

Finding the Fourth Proportional to 27,457.40, 37,899.27 and 15,975.05

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Solution

The fourth proportional to 27,457.40, 37,899.27 and 15,975.05 is: 22,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.40 : 37,899.27 = 15,975.05 : x
  2. Step 2: Convert to fraction form
    27,457.40/37,899.27 = 15,975.05/x
  3. Step 3: Cross multiply
    27,457.40x = 37,899.27 × 15,975.05
  4. Step 4: Simplify right side
    27,457.40x = 605,442,543.72
  5. Step 5: Solve for x
    x = 605,442,543.72/27,457.40
  6. Step 6: Final answer
    x = 22,050.25

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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.