Home / 28,393.64-42,535.87-15,875.70

Finding the Fourth Proportional to 28,393.64, 42,535.87 and 15,875.70

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Solution

The fourth proportional to 28,393.64, 42,535.87 and 15,875.70 is: 23,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.64 : 42,535.87 = 15,875.70 : x
  2. Step 2: Convert to fraction form
    28,393.64/42,535.87 = 15,875.70/x
  3. Step 3: Cross multiply
    28,393.64x = 42,535.87 × 15,875.70
  4. Step 4: Simplify right side
    28,393.64x = 675,286,512.16
  5. Step 5: Solve for x
    x = 675,286,512.16/28,393.64
  6. Step 6: Final answer
    x = 23,783.02

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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.