Home / 27,261.04-37,607.60-15,931

Finding the Fourth Proportional to 27,261.04, 37,607.60 and 15,931

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Solution

The fourth proportional to 27,261.04, 37,607.60 and 15,931 is: 21,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.04 : 37,607.60 = 15,931 : x
  2. Step 2: Convert to fraction form
    27,261.04/37,607.60 = 15,931/x
  3. Step 3: Cross multiply
    27,261.04x = 37,607.60 × 15,931
  4. Step 4: Simplify right side
    27,261.04x = 599,126,675.60
  5. Step 5: Solve for x
    x = 599,126,675.60/27,261.04
  6. Step 6: Final answer
    x = 21,977.40

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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.