Home / 28,312.74-39,054.96-17,707.61

Finding the Fourth Proportional to 28,312.74, 39,054.96 and 17,707.61

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Solution

The fourth proportional to 28,312.74, 39,054.96 and 17,707.61 is: 24,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.74 : 39,054.96 = 17,707.61 : x
  2. Step 2: Convert to fraction form
    28,312.74/39,054.96 = 17,707.61/x
  3. Step 3: Cross multiply
    28,312.74x = 39,054.96 × 17,707.61
  4. Step 4: Simplify right side
    28,312.74x = 691,570,097.88
  5. Step 5: Solve for x
    x = 691,570,097.88/28,312.74
  6. Step 6: Final answer
    x = 24,426.11

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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.