Home / 37,643.68-56,457.28-15,435.20

Finding the Fourth Proportional to 37,643.68, 56,457.28 and 15,435.20

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Solution

The fourth proportional to 37,643.68, 56,457.28 and 15,435.20 is: 23,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.68 : 56,457.28 = 15,435.20 : x
  2. Step 2: Convert to fraction form
    37,643.68/56,457.28 = 15,435.20/x
  3. Step 3: Cross multiply
    37,643.68x = 56,457.28 × 15,435.20
  4. Step 4: Simplify right side
    37,643.68x = 871,429,408.26
  5. Step 5: Solve for x
    x = 871,429,408.26/37,643.68
  6. Step 6: Final answer
    x = 23,149.42

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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.