Home / 27,883.01-38,478.07-15,307.67

Finding the Fourth Proportional to 27,883.01, 38,478.07 and 15,307.67

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Solution

The fourth proportional to 27,883.01, 38,478.07 and 15,307.67 is: 21,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.01 : 38,478.07 = 15,307.67 : x
  2. Step 2: Convert to fraction form
    27,883.01/38,478.07 = 15,307.67/x
  3. Step 3: Cross multiply
    27,883.01x = 38,478.07 × 15,307.67
  4. Step 4: Simplify right side
    27,883.01x = 589,009,597.80
  5. Step 5: Solve for x
    x = 589,009,597.80/27,883.01
  6. Step 6: Final answer
    x = 21,124.32

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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.