Home / 27,922.81-38,533.74-15,176.03

Finding the Fourth Proportional to 27,922.81, 38,533.74 and 15,176.03

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Solution

The fourth proportional to 27,922.81, 38,533.74 and 15,176.03 is: 20,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.81 : 38,533.74 = 15,176.03 : x
  2. Step 2: Convert to fraction form
    27,922.81/38,533.74 = 15,176.03/x
  3. Step 3: Cross multiply
    27,922.81x = 38,533.74 × 15,176.03
  4. Step 4: Simplify right side
    27,922.81x = 584,788,925.70
  5. Step 5: Solve for x
    x = 584,788,925.70/27,922.81
  6. Step 6: Final answer
    x = 20,943.05

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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.