Home / 27,818.14-38,389.06-15,071.46

Finding the Fourth Proportional to 27,818.14, 38,389.06 and 15,071.46

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Solution

The fourth proportional to 27,818.14, 38,389.06 and 15,071.46 is: 20,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818.14 : 38,389.06 = 15,071.46 : x
  2. Step 2: Convert to fraction form
    27,818.14/38,389.06 = 15,071.46/x
  3. Step 3: Cross multiply
    27,818.14x = 38,389.06 × 15,071.46
  4. Step 4: Simplify right side
    27,818.14x = 578,579,182.23
  5. Step 5: Solve for x
    x = 578,579,182.23/27,818.14
  6. Step 6: Final answer
    x = 20,798.63

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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.