Home / 27,943.53-38,561.29-15,368.28

Finding the Fourth Proportional to 27,943.53, 38,561.29 and 15,368.28

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Solution

The fourth proportional to 27,943.53, 38,561.29 and 15,368.28 is: 21,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.53 : 38,561.29 = 15,368.28 : x
  2. Step 2: Convert to fraction form
    27,943.53/38,561.29 = 15,368.28/x
  3. Step 3: Cross multiply
    27,943.53x = 38,561.29 × 15,368.28
  4. Step 4: Simplify right side
    27,943.53x = 592,620,663.46
  5. Step 5: Solve for x
    x = 592,620,663.46/27,943.53
  6. Step 6: Final answer
    x = 21,207.80

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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.