Home / 28,597.32-42,862.82-16,920.36

Finding the Fourth Proportional to 28,597.32, 42,862.82 and 16,920.36

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Solution

The fourth proportional to 28,597.32, 42,862.82 and 16,920.36 is: 25,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.32 : 42,862.82 = 16,920.36 : x
  2. Step 2: Convert to fraction form
    28,597.32/42,862.82 = 16,920.36/x
  3. Step 3: Cross multiply
    28,597.32x = 42,862.82 × 16,920.36
  4. Step 4: Simplify right side
    28,597.32x = 725,254,345.02
  5. Step 5: Solve for x
    x = 725,254,345.02/28,597.32
  6. Step 6: Final answer
    x = 25,360.92

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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.