Home / 27,587.68-38,070.48-15,012.16

Finding the Fourth Proportional to 27,587.68, 38,070.48 and 15,012.16

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Solution

The fourth proportional to 27,587.68, 38,070.48 and 15,012.16 is: 20,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.68 : 38,070.48 = 15,012.16 : x
  2. Step 2: Convert to fraction form
    27,587.68/38,070.48 = 15,012.16/x
  3. Step 3: Cross multiply
    27,587.68x = 38,070.48 × 15,012.16
  4. Step 4: Simplify right side
    27,587.68x = 571,520,137.04
  5. Step 5: Solve for x
    x = 571,520,137.04/27,587.68
  6. Step 6: Final answer
    x = 20,716.50

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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.