Home / 38,407.32-57,615.84-18,669.24

Finding the Fourth Proportional to 38,407.32, 57,615.84 and 18,669.24

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Solution

The fourth proportional to 38,407.32, 57,615.84 and 18,669.24 is: 28,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.32 : 57,615.84 = 18,669.24 : x
  2. Step 2: Convert to fraction form
    38,407.32/57,615.84 = 18,669.24/x
  3. Step 3: Cross multiply
    38,407.32x = 57,615.84 × 18,669.24
  4. Step 4: Simplify right side
    38,407.32x = 1,075,643,944.76
  5. Step 5: Solve for x
    x = 1,075,643,944.76/38,407.32
  6. Step 6: Final answer
    x = 28,006.22

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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.