Home / 27,889.79-38,478.65-16,562.75

Finding the Fourth Proportional to 27,889.79, 38,478.65 and 16,562.75

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Solution

The fourth proportional to 27,889.79, 38,478.65 and 16,562.75 is: 22,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.79 : 38,478.65 = 16,562.75 : x
  2. Step 2: Convert to fraction form
    27,889.79/38,478.65 = 16,562.75/x
  3. Step 3: Cross multiply
    27,889.79x = 38,478.65 × 16,562.75
  4. Step 4: Simplify right side
    27,889.79x = 637,311,985.08
  5. Step 5: Solve for x
    x = 637,311,985.08/27,889.79
  6. Step 6: Final answer
    x = 22,851.09

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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.