Home / 27,437.50-37,865.37-15,500.53

Finding the Fourth Proportional to 27,437.50, 37,865.37 and 15,500.53

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Solution

The fourth proportional to 27,437.50, 37,865.37 and 15,500.53 is: 21,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.50 : 37,865.37 = 15,500.53 : x
  2. Step 2: Convert to fraction form
    27,437.50/37,865.37 = 15,500.53/x
  3. Step 3: Cross multiply
    27,437.50x = 37,865.37 × 15,500.53
  4. Step 4: Simplify right side
    27,437.50x = 586,933,303.65
  5. Step 5: Solve for x
    x = 586,933,303.65/27,437.50
  6. Step 6: Final answer
    x = 21,391.65

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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.