Home / 47,395.86-65,398.53-28,012.08

Finding the Fourth Proportional to 47,395.86, 65,398.53 and 28,012.08

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Solution

The fourth proportional to 47,395.86, 65,398.53 and 28,012.08 is: 38,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.86 : 65,398.53 = 28,012.08 : x
  2. Step 2: Convert to fraction form
    47,395.86/65,398.53 = 28,012.08/x
  3. Step 3: Cross multiply
    47,395.86x = 65,398.53 × 28,012.08
  4. Step 4: Simplify right side
    47,395.86x = 1,831,948,854.24
  5. Step 5: Solve for x
    x = 1,831,948,854.24/47,395.86
  6. Step 6: Final answer
    x = 38,652.09

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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.