Home / 28,623.68-42,920.16-13,027.52

Finding the Fourth Proportional to 28,623.68, 42,920.16 and 13,027.52

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Solution

The fourth proportional to 28,623.68, 42,920.16 and 13,027.52 is: 19,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.68 : 42,920.16 = 13,027.52 : x
  2. Step 2: Convert to fraction form
    28,623.68/42,920.16 = 13,027.52/x
  3. Step 3: Cross multiply
    28,623.68x = 42,920.16 × 13,027.52
  4. Step 4: Simplify right side
    28,623.68x = 559,143,242.80
  5. Step 5: Solve for x
    x = 559,143,242.80/28,623.68
  6. Step 6: Final answer
    x = 19,534.29

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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.