Home / 26,315.46-36,298.53-15,699.06

Finding the Fourth Proportional to 26,315.46, 36,298.53 and 15,699.06

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Solution

The fourth proportional to 26,315.46, 36,298.53 and 15,699.06 is: 21,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.46 : 36,298.53 = 15,699.06 : x
  2. Step 2: Convert to fraction form
    26,315.46/36,298.53 = 15,699.06/x
  3. Step 3: Cross multiply
    26,315.46x = 36,298.53 × 15,699.06
  4. Step 4: Simplify right side
    26,315.46x = 569,852,800.38
  5. Step 5: Solve for x
    x = 569,852,800.38/26,315.46
  6. Step 6: Final answer
    x = 21,654.68

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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.