Home / 26,604.64-36,720.12-15,275.98

Finding the Fourth Proportional to 26,604.64, 36,720.12 and 15,275.98

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Solution

The fourth proportional to 26,604.64, 36,720.12 and 15,275.98 is: 21,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,604.64 : 36,720.12 = 15,275.98 : x
  2. Step 2: Convert to fraction form
    26,604.64/36,720.12 = 15,275.98/x
  3. Step 3: Cross multiply
    26,604.64x = 36,720.12 × 15,275.98
  4. Step 4: Simplify right side
    26,604.64x = 560,935,818.72
  5. Step 5: Solve for x
    x = 560,935,818.72/26,604.64
  6. Step 6: Final answer
    x = 21,084.13

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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.