Home / 28,088.88-38,766.09-18,013.59

Finding the Fourth Proportional to 28,088.88, 38,766.09 and 18,013.59

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Solution

The fourth proportional to 28,088.88, 38,766.09 and 18,013.59 is: 24,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.88 : 38,766.09 = 18,013.59 : x
  2. Step 2: Convert to fraction form
    28,088.88/38,766.09 = 18,013.59/x
  3. Step 3: Cross multiply
    28,088.88x = 38,766.09 × 18,013.59
  4. Step 4: Simplify right side
    28,088.88x = 698,316,518.71
  5. Step 5: Solve for x
    x = 698,316,518.71/28,088.88
  6. Step 6: Final answer
    x = 24,860.96

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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.