Home / 19,089.30-28,602.63-18,360.30

Finding the Fourth Proportional to 19,089.30, 28,602.63 and 18,360.30

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Solution

The fourth proportional to 19,089.30, 28,602.63 and 18,360.30 is: 27,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.30 : 28,602.63 = 18,360.30 : x
  2. Step 2: Convert to fraction form
    19,089.30/28,602.63 = 18,360.30/x
  3. Step 3: Cross multiply
    19,089.30x = 28,602.63 × 18,360.30
  4. Step 4: Simplify right side
    19,089.30x = 525,152,867.59
  5. Step 5: Solve for x
    x = 525,152,867.59/19,089.30
  6. Step 6: Final answer
    x = 27,510.33

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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.