Home / 28,562.40-42,804.54-18,155.52

Finding the Fourth Proportional to 28,562.40, 42,804.54 and 18,155.52

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Solution

The fourth proportional to 28,562.40, 42,804.54 and 18,155.52 is: 27,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.40 : 42,804.54 = 18,155.52 : x
  2. Step 2: Convert to fraction form
    28,562.40/42,804.54 = 18,155.52/x
  3. Step 3: Cross multiply
    28,562.40x = 42,804.54 × 18,155.52
  4. Step 4: Simplify right side
    28,562.40x = 777,138,682.06
  5. Step 5: Solve for x
    x = 777,138,682.06/28,562.40
  6. Step 6: Final answer
    x = 27,208.45

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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.