Home / 28,950.93-39,956.58-18,341.55

Finding the Fourth Proportional to 28,950.93, 39,956.58 and 18,341.55

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Solution

The fourth proportional to 28,950.93, 39,956.58 and 18,341.55 is: 25,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.93 : 39,956.58 = 18,341.55 : x
  2. Step 2: Convert to fraction form
    28,950.93/39,956.58 = 18,341.55/x
  3. Step 3: Cross multiply
    28,950.93x = 39,956.58 × 18,341.55
  4. Step 4: Simplify right side
    28,950.93x = 732,865,609.90
  5. Step 5: Solve for x
    x = 732,865,609.90/28,950.93
  6. Step 6: Final answer
    x = 25,314.06

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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.