Home / 27,465.68-37,900.36-15,528.40

Finding the Fourth Proportional to 27,465.68, 37,900.36 and 15,528.40

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Solution

The fourth proportional to 27,465.68, 37,900.36 and 15,528.40 is: 21,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.68 : 37,900.36 = 15,528.40 : x
  2. Step 2: Convert to fraction form
    27,465.68/37,900.36 = 15,528.40/x
  3. Step 3: Cross multiply
    27,465.68x = 37,900.36 × 15,528.40
  4. Step 4: Simplify right side
    27,465.68x = 588,531,950.22
  5. Step 5: Solve for x
    x = 588,531,950.22/27,465.68
  6. Step 6: Final answer
    x = 21,427.90

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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.