Home / 27,588.13-38,071.65-15,486.93

Finding the Fourth Proportional to 27,588.13, 38,071.65 and 15,486.93

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Solution

The fourth proportional to 27,588.13, 38,071.65 and 15,486.93 is: 21,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.13 : 38,071.65 = 15,486.93 : x
  2. Step 2: Convert to fraction form
    27,588.13/38,071.65 = 15,486.93/x
  3. Step 3: Cross multiply
    27,588.13x = 38,071.65 × 15,486.93
  4. Step 4: Simplify right side
    27,588.13x = 589,612,978.53
  5. Step 5: Solve for x
    x = 589,612,978.53/27,588.13
  6. Step 6: Final answer
    x = 21,371.98

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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.