Home / 28,347.95-42,503.70-11,714.60

Finding the Fourth Proportional to 28,347.95, 42,503.70 and 11,714.60

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Solution

The fourth proportional to 28,347.95, 42,503.70 and 11,714.60 is: 17,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347.95 : 42,503.70 = 11,714.60 : x
  2. Step 2: Convert to fraction form
    28,347.95/42,503.70 = 11,714.60/x
  3. Step 3: Cross multiply
    28,347.95x = 42,503.70 × 11,714.60
  4. Step 4: Simplify right side
    28,347.95x = 497,913,844.02
  5. Step 5: Solve for x
    x = 497,913,844.02/28,347.95
  6. Step 6: Final answer
    x = 17,564.37

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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.