Home / 27,421.04-37,840.38-15,483.98

Finding the Fourth Proportional to 27,421.04, 37,840.38 and 15,483.98

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Solution

The fourth proportional to 27,421.04, 37,840.38 and 15,483.98 is: 21,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.04 : 37,840.38 = 15,483.98 : x
  2. Step 2: Convert to fraction form
    27,421.04/37,840.38 = 15,483.98/x
  3. Step 3: Cross multiply
    27,421.04x = 37,840.38 × 15,483.98
  4. Step 4: Simplify right side
    27,421.04x = 585,919,687.11
  5. Step 5: Solve for x
    x = 585,919,687.11/27,421.04
  6. Step 6: Final answer
    x = 21,367.52

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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.