Home / 28,133.83-42,187.74-10,360.00

Finding the Fourth Proportional to 28,133.83, 42,187.74 and 10,360.00

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Solution

The fourth proportional to 28,133.83, 42,187.74 and 10,360.00 is: 15,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133.83 : 42,187.74 = 10,360.00 : x
  2. Step 2: Convert to fraction form
    28,133.83/42,187.74 = 10,360.00/x
  3. Step 3: Cross multiply
    28,133.83x = 42,187.74 × 10,360.00
  4. Step 4: Simplify right side
    28,133.83x = 437,065,000.28
  5. Step 5: Solve for x
    x = 437,065,000.28/28,133.83
  6. Step 6: Final answer
    x = 15,535.21

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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.