Home / 26,377.29-36,397.44-21,013.40

Finding the Fourth Proportional to 26,377.29, 36,397.44 and 21,013.40

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Solution

The fourth proportional to 26,377.29, 36,397.44 and 21,013.40 is: 28,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377.29 : 36,397.44 = 21,013.40 : x
  2. Step 2: Convert to fraction form
    26,377.29/36,397.44 = 21,013.40/x
  3. Step 3: Cross multiply
    26,377.29x = 36,397.44 × 21,013.40
  4. Step 4: Simplify right side
    26,377.29x = 764,833,783.71
  5. Step 5: Solve for x
    x = 764,833,783.71/26,377.29
  6. Step 6: Final answer
    x = 28,995.92

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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.