Home / 27,403.15-37,815.94-15,303.50

Finding the Fourth Proportional to 27,403.15, 37,815.94 and 15,303.50

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Solution

The fourth proportional to 27,403.15, 37,815.94 and 15,303.50 is: 21,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,403.15 : 37,815.94 = 15,303.50 : x
  2. Step 2: Convert to fraction form
    27,403.15/37,815.94 = 15,303.50/x
  3. Step 3: Cross multiply
    27,403.15x = 37,815.94 × 15,303.50
  4. Step 4: Simplify right side
    27,403.15x = 578,716,369.81
  5. Step 5: Solve for x
    x = 578,716,369.81/27,403.15
  6. Step 6: Final answer
    x = 21,118.61

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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.