Home / 28,770.23-43,159.59-14,738.19

Finding the Fourth Proportional to 28,770.23, 43,159.59 and 14,738.19

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Solution

The fourth proportional to 28,770.23, 43,159.59 and 14,738.19 is: 22,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.23 : 43,159.59 = 14,738.19 : x
  2. Step 2: Convert to fraction form
    28,770.23/43,159.59 = 14,738.19/x
  3. Step 3: Cross multiply
    28,770.23x = 43,159.59 × 14,738.19
  4. Step 4: Simplify right side
    28,770.23x = 636,094,237.74
  5. Step 5: Solve for x
    x = 636,094,237.74/28,770.23
  6. Step 6: Final answer
    x = 22,109.46

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1.5x scale

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.