Home / 19,000.24-28,499.55-18,555.28

Finding the Fourth Proportional to 19,000.24, 28,499.55 and 18,555.28

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Solution

The fourth proportional to 19,000.24, 28,499.55 and 18,555.28 is: 27,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.24 : 28,499.55 = 18,555.28 : x
  2. Step 2: Convert to fraction form
    19,000.24/28,499.55 = 18,555.28/x
  3. Step 3: Cross multiply
    19,000.24x = 28,499.55 × 18,555.28
  4. Step 4: Simplify right side
    19,000.24x = 528,817,130.12
  5. Step 5: Solve for x
    x = 528,817,130.12/19,000.24
  6. Step 6: Final answer
    x = 27,832.13

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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.