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Finding the Fourth Proportional to 64,275.68, 96,410.70 and 17,528.40

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Solution

The fourth proportional to 64,275.68, 96,410.70 and 17,528.40 is: 26,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,275.68 : 96,410.70 = 17,528.40 : x
  2. Step 2: Convert to fraction form
    64,275.68/96,410.70 = 17,528.40/x
  3. Step 3: Cross multiply
    64,275.68x = 96,410.70 × 17,528.40
  4. Step 4: Simplify right side
    64,275.68x = 1,689,925,313.88
  5. Step 5: Solve for x
    x = 1,689,925,313.88/64,275.68
  6. Step 6: Final answer
    x = 26,291.83

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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.