Home / 27,389.02-37,795.98-15,452.20

Finding the Fourth Proportional to 27,389.02, 37,795.98 and 15,452.20

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Solution

The fourth proportional to 27,389.02, 37,795.98 and 15,452.20 is: 21,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.02 : 37,795.98 = 15,452.20 : x
  2. Step 2: Convert to fraction form
    27,389.02/37,795.98 = 15,452.20/x
  3. Step 3: Cross multiply
    27,389.02x = 37,795.98 × 15,452.20
  4. Step 4: Simplify right side
    27,389.02x = 584,031,042.16
  5. Step 5: Solve for x
    x = 584,031,042.16/27,389.02
  6. Step 6: Final answer
    x = 21,323.55

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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.