Home / 27,931.23-38,534.13-15,988.14

Finding the Fourth Proportional to 27,931.23, 38,534.13 and 15,988.14

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Solution

The fourth proportional to 27,931.23, 38,534.13 and 15,988.14 is: 22,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.23 : 38,534.13 = 15,988.14 : x
  2. Step 2: Convert to fraction form
    27,931.23/38,534.13 = 15,988.14/x
  3. Step 3: Cross multiply
    27,931.23x = 38,534.13 × 15,988.14
  4. Step 4: Simplify right side
    27,931.23x = 616,089,065.22
  5. Step 5: Solve for x
    x = 616,089,065.22/27,931.23
  6. Step 6: Final answer
    x = 22,057.36

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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.