Home / 28,995.18-43,507.53-11,479.74

Finding the Fourth Proportional to 28,995.18, 43,507.53 and 11,479.74

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Solution

The fourth proportional to 28,995.18, 43,507.53 and 11,479.74 is: 17,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.18 : 43,507.53 = 11,479.74 : x
  2. Step 2: Convert to fraction form
    28,995.18/43,507.53 = 11,479.74/x
  3. Step 3: Cross multiply
    28,995.18x = 43,507.53 × 11,479.74
  4. Step 4: Simplify right side
    28,995.18x = 499,455,132.44
  5. Step 5: Solve for x
    x = 499,455,132.44/28,995.18
  6. Step 6: Final answer
    x = 17,225.45

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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.