Home / 27,521.40-37,985.58-18,090.84

Finding the Fourth Proportional to 27,521.40, 37,985.58 and 18,090.84

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Solution

The fourth proportional to 27,521.40, 37,985.58 and 18,090.84 is: 24,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.40 : 37,985.58 = 18,090.84 : x
  2. Step 2: Convert to fraction form
    27,521.40/37,985.58 = 18,090.84/x
  3. Step 3: Cross multiply
    27,521.40x = 37,985.58 × 18,090.84
  4. Step 4: Simplify right side
    27,521.40x = 687,191,050.09
  5. Step 5: Solve for x
    x = 687,191,050.09/27,521.40
  6. Step 6: Final answer
    x = 24,969.33

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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.