Home / 27,941.05-38,558.65-15,365.80

Finding the Fourth Proportional to 27,941.05, 38,558.65 and 15,365.80

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Solution

The fourth proportional to 27,941.05, 38,558.65 and 15,365.80 is: 21,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.05 : 38,558.65 = 15,365.80 : x
  2. Step 2: Convert to fraction form
    27,941.05/38,558.65 = 15,365.80/x
  3. Step 3: Cross multiply
    27,941.05x = 38,558.65 × 15,365.80
  4. Step 4: Simplify right side
    27,941.05x = 592,484,477.94
  5. Step 5: Solve for x
    x = 592,484,477.94/27,941.05
  6. Step 6: Final answer
    x = 21,204.80

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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.