Home / 26,315.16-36,315.63-15,710.95

Finding the Fourth Proportional to 26,315.16, 36,315.63 and 15,710.95

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Solution

The fourth proportional to 26,315.16, 36,315.63 and 15,710.95 is: 21,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.16 : 36,315.63 = 15,710.95 : x
  2. Step 2: Convert to fraction form
    26,315.16/36,315.63 = 15,710.95/x
  3. Step 3: Cross multiply
    26,315.16x = 36,315.63 × 15,710.95
  4. Step 4: Simplify right side
    26,315.16x = 570,553,047.15
  5. Step 5: Solve for x
    x = 570,553,047.15/26,315.16
  6. Step 6: Final answer
    x = 21,681.53

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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.