Home / 27,395.10-37,805.10-15,458.40

Finding the Fourth Proportional to 27,395.10, 37,805.10 and 15,458.40

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Solution

The fourth proportional to 27,395.10, 37,805.10 and 15,458.40 is: 21,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,395.10 : 37,805.10 = 15,458.40 : x
  2. Step 2: Convert to fraction form
    27,395.10/37,805.10 = 15,458.40/x
  3. Step 3: Cross multiply
    27,395.10x = 37,805.10 × 15,458.40
  4. Step 4: Simplify right side
    27,395.10x = 584,406,357.84
  5. Step 5: Solve for x
    x = 584,406,357.84/27,395.10
  6. Step 6: Final answer
    x = 21,332.51

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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.