Home / 27,070.58-40,618-17,207.30

Finding the Fourth Proportional to 27,070.58, 40,618 and 17,207.30

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Solution

The fourth proportional to 27,070.58, 40,618 and 17,207.30 is: 25,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,070.58 : 40,618 = 17,207.30 : x
  2. Step 2: Convert to fraction form
    27,070.58/40,618 = 17,207.30/x
  3. Step 3: Cross multiply
    27,070.58x = 40,618 × 17,207.30
  4. Step 4: Simplify right side
    27,070.58x = 698,926,111.40
  5. Step 5: Solve for x
    x = 698,926,111.40/27,070.58
  6. Step 6: Final answer
    x = 25,818.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.