Home / 26,689.34-36,834.95-15,358.61

Finding the Fourth Proportional to 26,689.34, 36,834.95 and 15,358.61

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Solution

The fourth proportional to 26,689.34, 36,834.95 and 15,358.61 is: 21,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.34 : 36,834.95 = 15,358.61 : x
  2. Step 2: Convert to fraction form
    26,689.34/36,834.95 = 15,358.61/x
  3. Step 3: Cross multiply
    26,689.34x = 36,834.95 × 15,358.61
  4. Step 4: Simplify right side
    26,689.34x = 565,733,485.64
  5. Step 5: Solve for x
    x = 565,733,485.64/26,689.34
  6. Step 6: Final answer
    x = 21,196.98

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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.