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Finding the Fourth Proportional to 65,615.76, 98,417.40 and 26,162.32

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Solution

The fourth proportional to 65,615.76, 98,417.40 and 26,162.32 is: 39,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,615.76 : 98,417.40 = 26,162.32 : x
  2. Step 2: Convert to fraction form
    65,615.76/98,417.40 = 26,162.32/x
  3. Step 3: Cross multiply
    65,615.76x = 98,417.40 × 26,162.32
  4. Step 4: Simplify right side
    65,615.76x = 2,574,827,512.37
  5. Step 5: Solve for x
    x = 2,574,827,512.37/65,615.76
  6. Step 6: Final answer
    x = 39,240.99

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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.