Home / 35,486.28-53,228.25-14,420.10

Finding the Fourth Proportional to 35,486.28, 53,228.25 and 14,420.10

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Solution

The fourth proportional to 35,486.28, 53,228.25 and 14,420.10 is: 21,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.28 : 53,228.25 = 14,420.10 : x
  2. Step 2: Convert to fraction form
    35,486.28/53,228.25 = 14,420.10/x
  3. Step 3: Cross multiply
    35,486.28x = 53,228.25 × 14,420.10
  4. Step 4: Simplify right side
    35,486.28x = 767,556,687.83
  5. Step 5: Solve for x
    x = 767,556,687.83/35,486.28
  6. Step 6: Final answer
    x = 21,629.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.