Home / 27,547.54-38,033.91-21,162.76

Finding the Fourth Proportional to 27,547.54, 38,033.91 and 21,162.76

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Solution

The fourth proportional to 27,547.54, 38,033.91 and 21,162.76 is: 29,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.54 : 38,033.91 = 21,162.76 : x
  2. Step 2: Convert to fraction form
    27,547.54/38,033.91 = 21,162.76/x
  3. Step 3: Cross multiply
    27,547.54x = 38,033.91 × 21,162.76
  4. Step 4: Simplify right side
    27,547.54x = 804,902,509.19
  5. Step 5: Solve for x
    x = 804,902,509.19/27,547.54
  6. Step 6: Final answer
    x = 29,218.67

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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.