Home / 28,363.32-42,525.28-12,559.74

Finding the Fourth Proportional to 28,363.32, 42,525.28 and 12,559.74

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Solution

The fourth proportional to 28,363.32, 42,525.28 and 12,559.74 is: 18,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.32 : 42,525.28 = 12,559.74 : x
  2. Step 2: Convert to fraction form
    28,363.32/42,525.28 = 12,559.74/x
  3. Step 3: Cross multiply
    28,363.32x = 42,525.28 × 12,559.74
  4. Step 4: Simplify right side
    28,363.32x = 534,106,460.23
  5. Step 5: Solve for x
    x = 534,106,460.23/28,363.32
  6. Step 6: Final answer
    x = 18,830.89

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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.