Home / 28,008.24-38,670.36-19,610.16

Finding the Fourth Proportional to 28,008.24, 38,670.36 and 19,610.16

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Solution

The fourth proportional to 28,008.24, 38,670.36 and 19,610.16 is: 27,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.24 : 38,670.36 = 19,610.16 : x
  2. Step 2: Convert to fraction form
    28,008.24/38,670.36 = 19,610.16/x
  3. Step 3: Cross multiply
    28,008.24x = 38,670.36 × 19,610.16
  4. Step 4: Simplify right side
    28,008.24x = 758,331,946.86
  5. Step 5: Solve for x
    x = 758,331,946.86/28,008.24
  6. Step 6: Final answer
    x = 27,075.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.