Home / 27,929.16-38,551.74-17,861.64

Finding the Fourth Proportional to 27,929.16, 38,551.74 and 17,861.64

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Solution

The fourth proportional to 27,929.16, 38,551.74 and 17,861.64 is: 24,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.16 : 38,551.74 = 17,861.64 : x
  2. Step 2: Convert to fraction form
    27,929.16/38,551.74 = 17,861.64/x
  3. Step 3: Cross multiply
    27,929.16x = 38,551.74 × 17,861.64
  4. Step 4: Simplify right side
    27,929.16x = 688,597,301.25
  5. Step 5: Solve for x
    x = 688,597,301.25/27,929.16
  6. Step 6: Final answer
    x = 24,655.14

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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.