Home / 27,459.28-37,887.40-16,128.16

Finding the Fourth Proportional to 27,459.28, 37,887.40 and 16,128.16

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Solution

The fourth proportional to 27,459.28, 37,887.40 and 16,128.16 is: 22,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.28 : 37,887.40 = 16,128.16 : x
  2. Step 2: Convert to fraction form
    27,459.28/37,887.40 = 16,128.16/x
  3. Step 3: Cross multiply
    27,459.28x = 37,887.40 × 16,128.16
  4. Step 4: Simplify right side
    27,459.28x = 611,054,049.18
  5. Step 5: Solve for x
    x = 611,054,049.18/27,459.28
  6. Step 6: Final answer
    x = 22,253.10

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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.