Home / 27,782.10-38,338.98-15,035

Finding the Fourth Proportional to 27,782.10, 38,338.98 and 15,035

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Solution

The fourth proportional to 27,782.10, 38,338.98 and 15,035 is: 20,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782.10 : 38,338.98 = 15,035 : x
  2. Step 2: Convert to fraction form
    27,782.10/38,338.98 = 15,035/x
  3. Step 3: Cross multiply
    27,782.10x = 38,338.98 × 15,035
  4. Step 4: Simplify right side
    27,782.10x = 576,426,564.30
  5. Step 5: Solve for x
    x = 576,426,564.30/27,782.10
  6. Step 6: Final answer
    x = 20,748.13

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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.