Home / 27,946.08-38,566.32-15,371.16

Finding the Fourth Proportional to 27,946.08, 38,566.32 and 15,371.16

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Solution

The fourth proportional to 27,946.08, 38,566.32 and 15,371.16 is: 21,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.08 : 38,566.32 = 15,371.16 : x
  2. Step 2: Convert to fraction form
    27,946.08/38,566.32 = 15,371.16/x
  3. Step 3: Cross multiply
    27,946.08x = 38,566.32 × 15,371.16
  4. Step 4: Simplify right side
    27,946.08x = 592,809,075.33
  5. Step 5: Solve for x
    x = 592,809,075.33/27,946.08
  6. Step 6: Final answer
    x = 21,212.60

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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.