Home / 28,657.63-42,966.83-14,590.43

Finding the Fourth Proportional to 28,657.63, 42,966.83 and 14,590.43

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Solution

The fourth proportional to 28,657.63, 42,966.83 and 14,590.43 is: 21,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.63 : 42,966.83 = 14,590.43 : x
  2. Step 2: Convert to fraction form
    28,657.63/42,966.83 = 14,590.43/x
  3. Step 3: Cross multiply
    28,657.63x = 42,966.83 × 14,590.43
  4. Step 4: Simplify right side
    28,657.63x = 626,904,669.33
  5. Step 5: Solve for x
    x = 626,904,669.33/28,657.63
  6. Step 6: Final answer
    x = 21,875.67

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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.