Home / 31,726.08-47,606.40-17,876.16

Finding the Fourth Proportional to 31,726.08, 47,606.40 and 17,876.16

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Solution

The fourth proportional to 31,726.08, 47,606.40 and 17,876.16 is: 26,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.08 : 47,606.40 = 17,876.16 : x
  2. Step 2: Convert to fraction form
    31,726.08/47,606.40 = 17,876.16/x
  3. Step 3: Cross multiply
    31,726.08x = 47,606.40 × 17,876.16
  4. Step 4: Simplify right side
    31,726.08x = 851,019,623.42
  5. Step 5: Solve for x
    x = 851,019,623.42/31,726.08
  6. Step 6: Final answer
    x = 26,823.98

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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.