Home / 27,595.63-38,009.43-21,210.01

Finding the Fourth Proportional to 27,595.63, 38,009.43 and 21,210.01

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Solution

The fourth proportional to 27,595.63, 38,009.43 and 21,210.01 is: 29,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595.63 : 38,009.43 = 21,210.01 : x
  2. Step 2: Convert to fraction form
    27,595.63/38,009.43 = 21,210.01/x
  3. Step 3: Cross multiply
    27,595.63x = 38,009.43 × 21,210.01
  4. Step 4: Simplify right side
    27,595.63x = 806,180,182.27
  5. Step 5: Solve for x
    x = 806,180,182.27/27,595.63
  6. Step 6: Final answer
    x = 29,214.05

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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.