Home / 52,637.22-72,639.41-28,438.20

Finding the Fourth Proportional to 52,637.22, 72,639.41 and 28,438.20

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Solution

The fourth proportional to 52,637.22, 72,639.41 and 28,438.20 is: 39,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.22 : 72,639.41 = 28,438.20 : x
  2. Step 2: Convert to fraction form
    52,637.22/72,639.41 = 28,438.20/x
  3. Step 3: Cross multiply
    52,637.22x = 72,639.41 × 28,438.20
  4. Step 4: Simplify right side
    52,637.22x = 2,065,733,927.27
  5. Step 5: Solve for x
    x = 2,065,733,927.27/52,637.22
  6. Step 6: Final answer
    x = 39,244.74

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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.