Home / 28,870.52-43,225.86-14,800.20

Finding the Fourth Proportional to 28,870.52, 43,225.86 and 14,800.20

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Solution

The fourth proportional to 28,870.52, 43,225.86 and 14,800.20 is: 22,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.52 : 43,225.86 = 14,800.20 : x
  2. Step 2: Convert to fraction form
    28,870.52/43,225.86 = 14,800.20/x
  3. Step 3: Cross multiply
    28,870.52x = 43,225.86 × 14,800.20
  4. Step 4: Simplify right side
    28,870.52x = 639,751,373.17
  5. Step 5: Solve for x
    x = 639,751,373.17/28,870.52
  6. Step 6: Final answer
    x = 22,159.33

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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.