Home / 28,700.05-42,924.16-25,559.63

Finding the Fourth Proportional to 28,700.05, 42,924.16 and 25,559.63

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Solution

The fourth proportional to 28,700.05, 42,924.16 and 25,559.63 is: 38,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.05 : 42,924.16 = 25,559.63 : x
  2. Step 2: Convert to fraction form
    28,700.05/42,924.16 = 25,559.63/x
  3. Step 3: Cross multiply
    28,700.05x = 42,924.16 × 25,559.63
  4. Step 4: Simplify right side
    28,700.05x = 1,097,125,647.66
  5. Step 5: Solve for x
    x = 1,097,125,647.66/28,700.05
  6. Step 6: Final answer
    x = 38,227.31

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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.