Home / 19,572.77-27,010.17-10,620.20

Finding the Fourth Proportional to 19,572.77, 27,010.17 and 10,620.20

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Solution

The fourth proportional to 19,572.77, 27,010.17 and 10,620.20 is: 14,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.77 : 27,010.17 = 10,620.20 : x
  2. Step 2: Convert to fraction form
    19,572.77/27,010.17 = 10,620.20/x
  3. Step 3: Cross multiply
    19,572.77x = 27,010.17 × 10,620.20
  4. Step 4: Simplify right side
    19,572.77x = 286,853,407.43
  5. Step 5: Solve for x
    x = 286,853,407.43/19,572.77
  6. Step 6: Final answer
    x = 14,655.74

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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.