Home / 28,926.08-43,389.12-15,102.08

Finding the Fourth Proportional to 28,926.08, 43,389.12 and 15,102.08

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Solution

The fourth proportional to 28,926.08, 43,389.12 and 15,102.08 is: 22,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.08 : 43,389.12 = 15,102.08 : x
  2. Step 2: Convert to fraction form
    28,926.08/43,389.12 = 15,102.08/x
  3. Step 3: Cross multiply
    28,926.08x = 43,389.12 × 15,102.08
  4. Step 4: Simplify right side
    28,926.08x = 655,265,961.37
  5. Step 5: Solve for x
    x = 655,265,961.37/28,926.08
  6. Step 6: Final answer
    x = 22,653.12

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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.