Home / 65,497.12-98,267.52-28,041.28

Finding the Fourth Proportional to 65,497.12, 98,267.52 and 28,041.28

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Solution

The fourth proportional to 65,497.12, 98,267.52 and 28,041.28 is: 42,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,497.12 : 98,267.52 = 28,041.28 : x
  2. Step 2: Convert to fraction form
    65,497.12/98,267.52 = 28,041.28/x
  3. Step 3: Cross multiply
    65,497.12x = 98,267.52 × 28,041.28
  4. Step 4: Simplify right side
    65,497.12x = 2,755,547,043.23
  5. Step 5: Solve for x
    x = 2,755,547,043.23/65,497.12
  6. Step 6: Final answer
    x = 42,071.27

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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.