Home / 27,530.69-38,008.08-18,126.59

Finding the Fourth Proportional to 27,530.69, 38,008.08 and 18,126.59

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Solution

The fourth proportional to 27,530.69, 38,008.08 and 18,126.59 is: 25,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.69 : 38,008.08 = 18,126.59 : x
  2. Step 2: Convert to fraction form
    27,530.69/38,008.08 = 18,126.59/x
  3. Step 3: Cross multiply
    27,530.69x = 38,008.08 × 18,126.59
  4. Step 4: Simplify right side
    27,530.69x = 688,956,692.81
  5. Step 5: Solve for x
    x = 688,956,692.81/27,530.69
  6. Step 6: Final answer
    x = 25,025.05

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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.