Home / 35,825.60-49,437.76-20,715.84

Finding the Fourth Proportional to 35,825.60, 49,437.76 and 20,715.84

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Solution

The fourth proportional to 35,825.60, 49,437.76 and 20,715.84 is: 28,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,825.60 : 49,437.76 = 20,715.84 : x
  2. Step 2: Convert to fraction form
    35,825.60/49,437.76 = 20,715.84/x
  3. Step 3: Cross multiply
    35,825.60x = 49,437.76 × 20,715.84
  4. Step 4: Simplify right side
    35,825.60x = 1,024,144,726.12
  5. Step 5: Solve for x
    x = 1,024,144,726.12/35,825.60
  6. Step 6: Final answer
    x = 28,586.95

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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.