Home / 27,421.64-37,842.56-16,817.12

Finding the Fourth Proportional to 27,421.64, 37,842.56 and 16,817.12

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Solution

The fourth proportional to 27,421.64, 37,842.56 and 16,817.12 is: 23,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.64 : 37,842.56 = 16,817.12 : x
  2. Step 2: Convert to fraction form
    27,421.64/37,842.56 = 16,817.12/x
  3. Step 3: Cross multiply
    27,421.64x = 37,842.56 × 16,817.12
  4. Step 4: Simplify right side
    27,421.64x = 636,402,599.33
  5. Step 5: Solve for x
    x = 636,402,599.33/27,421.64
  6. Step 6: Final answer
    x = 23,208.05

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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.