Home / 28,987.65-43,483.50-9,267.75

Finding the Fourth Proportional to 28,987.65, 43,483.50 and 9,267.75

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Solution

The fourth proportional to 28,987.65, 43,483.50 and 9,267.75 is: 13,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.65 : 43,483.50 = 9,267.75 : x
  2. Step 2: Convert to fraction form
    28,987.65/43,483.50 = 9,267.75/x
  3. Step 3: Cross multiply
    28,987.65x = 43,483.50 × 9,267.75
  4. Step 4: Simplify right side
    28,987.65x = 402,994,207.13
  5. Step 5: Solve for x
    x = 402,994,207.13/28,987.65
  6. Step 6: Final answer
    x = 13,902.27

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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.