Home / 52,828.08-72,904.23-28,955.22

Finding the Fourth Proportional to 52,828.08, 72,904.23 and 28,955.22

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Solution

The fourth proportional to 52,828.08, 72,904.23 and 28,955.22 is: 39,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.08 : 72,904.23 = 28,955.22 : x
  2. Step 2: Convert to fraction form
    52,828.08/72,904.23 = 28,955.22/x
  3. Step 3: Cross multiply
    52,828.08x = 72,904.23 × 28,955.22
  4. Step 4: Simplify right side
    52,828.08x = 2,110,958,018.58
  5. Step 5: Solve for x
    x = 2,110,958,018.58/52,828.08
  6. Step 6: Final answer
    x = 39,959.01

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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.