Home / 27,530.16-38,007.36-18,126.08

Finding the Fourth Proportional to 27,530.16, 38,007.36 and 18,126.08

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Solution

The fourth proportional to 27,530.16, 38,007.36 and 18,126.08 is: 25,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.16 : 38,007.36 = 18,126.08 : x
  2. Step 2: Convert to fraction form
    27,530.16/38,007.36 = 18,126.08/x
  3. Step 3: Cross multiply
    27,530.16x = 38,007.36 × 18,126.08
  4. Step 4: Simplify right side
    27,530.16x = 688,924,447.95
  5. Step 5: Solve for x
    x = 688,924,447.95/27,530.16
  6. Step 6: Final answer
    x = 25,024.35

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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.