Home / 27,907.84-38,513.64-15,975.01

Finding the Fourth Proportional to 27,907.84, 38,513.64 and 15,975.01

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Solution

The fourth proportional to 27,907.84, 38,513.64 and 15,975.01 is: 22,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.84 : 38,513.64 = 15,975.01 : x
  2. Step 2: Convert to fraction form
    27,907.84/38,513.64 = 15,975.01/x
  3. Step 3: Cross multiply
    27,907.84x = 38,513.64 × 15,975.01
  4. Step 4: Simplify right side
    27,907.84x = 615,255,784.14
  5. Step 5: Solve for x
    x = 615,255,784.14/27,907.84
  6. Step 6: Final answer
    x = 22,045.98

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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.