Home / 27,943.47-38,561.36-15,368.43

Finding the Fourth Proportional to 27,943.47, 38,561.36 and 15,368.43

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Solution

The fourth proportional to 27,943.47, 38,561.36 and 15,368.43 is: 21,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.47 : 38,561.36 = 15,368.43 : x
  2. Step 2: Convert to fraction form
    27,943.47/38,561.36 = 15,368.43/x
  3. Step 3: Cross multiply
    27,943.47x = 38,561.36 × 15,368.43
  4. Step 4: Simplify right side
    27,943.47x = 592,627,485.02
  5. Step 5: Solve for x
    x = 592,627,485.02/27,943.47
  6. Step 6: Final answer
    x = 21,208.08

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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.