Home / 28,660.61-42,900.80-18,094.06

Finding the Fourth Proportional to 28,660.61, 42,900.80 and 18,094.06

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Solution

The fourth proportional to 28,660.61, 42,900.80 and 18,094.06 is: 27,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.61 : 42,900.80 = 18,094.06 : x
  2. Step 2: Convert to fraction form
    28,660.61/42,900.80 = 18,094.06/x
  3. Step 3: Cross multiply
    28,660.61x = 42,900.80 × 18,094.06
  4. Step 4: Simplify right side
    28,660.61x = 776,249,649.25
  5. Step 5: Solve for x
    x = 776,249,649.25/28,660.61
  6. Step 6: Final answer
    x = 27,084.20

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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.