Home / 27,280.59-37,647.24-15,343.95

Finding the Fourth Proportional to 27,280.59, 37,647.24 and 15,343.95

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Solution

The fourth proportional to 27,280.59, 37,647.24 and 15,343.95 is: 21,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.59 : 37,647.24 = 15,343.95 : x
  2. Step 2: Convert to fraction form
    27,280.59/37,647.24 = 15,343.95/x
  3. Step 3: Cross multiply
    27,280.59x = 37,647.24 × 15,343.95
  4. Step 4: Simplify right side
    27,280.59x = 577,657,368.20
  5. Step 5: Solve for x
    x = 577,657,368.20/27,280.59
  6. Step 6: Final answer
    x = 21,174.67

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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.