Home / 28,707.65-43,070.23-14,677.53

Finding the Fourth Proportional to 28,707.65, 43,070.23 and 14,677.53

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Solution

The fourth proportional to 28,707.65, 43,070.23 and 14,677.53 is: 22,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.65 : 43,070.23 = 14,677.53 : x
  2. Step 2: Convert to fraction form
    28,707.65/43,070.23 = 14,677.53/x
  3. Step 3: Cross multiply
    28,707.65x = 43,070.23 × 14,677.53
  4. Step 4: Simplify right side
    28,707.65x = 632,164,524.46
  5. Step 5: Solve for x
    x = 632,164,524.46/28,707.65
  6. Step 6: Final answer
    x = 22,020.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.