Home / 27,374.19-37,775.90-15,437.55

Finding the Fourth Proportional to 27,374.19, 37,775.90 and 15,437.55

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Solution

The fourth proportional to 27,374.19, 37,775.90 and 15,437.55 is: 21,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,374.19 : 37,775.90 = 15,437.55 : x
  2. Step 2: Convert to fraction form
    27,374.19/37,775.90 = 15,437.55/x
  3. Step 3: Cross multiply
    27,374.19x = 37,775.90 × 15,437.55
  4. Step 4: Simplify right side
    27,374.19x = 583,167,267.86
  5. Step 5: Solve for x
    x = 583,167,267.86/27,374.19
  6. Step 6: Final answer
    x = 21,303.54

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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.