Home / 18,827.74-26,009.30-15,045.94

Finding the Fourth Proportional to 18,827.74, 26,009.30 and 15,045.94

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Solution

The fourth proportional to 18,827.74, 26,009.30 and 15,045.94 is: 20,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.74 : 26,009.30 = 15,045.94 : x
  2. Step 2: Convert to fraction form
    18,827.74/26,009.30 = 15,045.94/x
  3. Step 3: Cross multiply
    18,827.74x = 26,009.30 × 15,045.94
  4. Step 4: Simplify right side
    18,827.74x = 391,334,367.24
  5. Step 5: Solve for x
    x = 391,334,367.24/18,827.74
  6. Step 6: Final answer
    x = 20,784.99

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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.