Home / 26,645.76-36,769.19-15,315.26

Finding the Fourth Proportional to 26,645.76, 36,769.19 and 15,315.26

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Solution

The fourth proportional to 26,645.76, 36,769.19 and 15,315.26 is: 21,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.76 : 36,769.19 = 15,315.26 : x
  2. Step 2: Convert to fraction form
    26,645.76/36,769.19 = 15,315.26/x
  3. Step 3: Cross multiply
    26,645.76x = 36,769.19 × 15,315.26
  4. Step 4: Simplify right side
    26,645.76x = 563,129,444.42
  5. Step 5: Solve for x
    x = 563,129,444.42/26,645.76
  6. Step 6: Final answer
    x = 21,133.92

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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.