Home / 52,790.74-72,852.08-28,915.88

Finding the Fourth Proportional to 52,790.74, 72,852.08 and 28,915.88

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Solution

The fourth proportional to 52,790.74, 72,852.08 and 28,915.88 is: 39,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.74 : 72,852.08 = 28,915.88 : x
  2. Step 2: Convert to fraction form
    52,790.74/72,852.08 = 28,915.88/x
  3. Step 3: Cross multiply
    52,790.74x = 72,852.08 × 28,915.88
  4. Step 4: Simplify right side
    52,790.74x = 2,106,581,494.19
  5. Step 5: Solve for x
    x = 2,106,581,494.19/52,790.74
  6. Step 6: Final answer
    x = 39,904.38

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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.