Home / 29,264.16-40,384.25-15,835.12

Finding the Fourth Proportional to 29,264.16, 40,384.25 and 15,835.12

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Solution

The fourth proportional to 29,264.16, 40,384.25 and 15,835.12 is: 21,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,264.16 : 40,384.25 = 15,835.12 : x
  2. Step 2: Convert to fraction form
    29,264.16/40,384.25 = 15,835.12/x
  3. Step 3: Cross multiply
    29,264.16x = 40,384.25 × 15,835.12
  4. Step 4: Simplify right side
    29,264.16x = 639,489,444.86
  5. Step 5: Solve for x
    x = 639,489,444.86/29,264.16
  6. Step 6: Final answer
    x = 21,852.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.