Home / 27,588.81-38,080.59-18,030.09

Finding the Fourth Proportional to 27,588.81, 38,080.59 and 18,030.09

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Solution

The fourth proportional to 27,588.81, 38,080.59 and 18,030.09 is: 24,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.81 : 38,080.59 = 18,030.09 : x
  2. Step 2: Convert to fraction form
    27,588.81/38,080.59 = 18,030.09/x
  3. Step 3: Cross multiply
    27,588.81x = 38,080.59 × 18,030.09
  4. Step 4: Simplify right side
    27,588.81x = 686,596,464.95
  5. Step 5: Solve for x
    x = 686,596,464.95/27,588.81
  6. Step 6: Final answer
    x = 24,886.77

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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.