Home / 26,478.38-36,543.40-15,300.38

Finding the Fourth Proportional to 26,478.38, 36,543.40 and 15,300.38

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Solution

The fourth proportional to 26,478.38, 36,543.40 and 15,300.38 is: 21,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.38 : 36,543.40 = 15,300.38 : x
  2. Step 2: Convert to fraction form
    26,478.38/36,543.40 = 15,300.38/x
  3. Step 3: Cross multiply
    26,478.38x = 36,543.40 × 15,300.38
  4. Step 4: Simplify right side
    26,478.38x = 559,127,723.78
  5. Step 5: Solve for x
    x = 559,127,723.78/26,478.38
  6. Step 6: Final answer
    x = 21,116.39

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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.