Home / 26,534.34-36,623.28-20,780.34

Finding the Fourth Proportional to 26,534.34, 36,623.28 and 20,780.34

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Solution

The fourth proportional to 26,534.34, 36,623.28 and 20,780.34 is: 28,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,534.34 : 36,623.28 = 20,780.34 : x
  2. Step 2: Convert to fraction form
    26,534.34/36,623.28 = 20,780.34/x
  3. Step 3: Cross multiply
    26,534.34x = 36,623.28 × 20,780.34
  4. Step 4: Simplify right side
    26,534.34x = 761,044,210.32
  5. Step 5: Solve for x
    x = 761,044,210.32/26,534.34
  6. Step 6: Final answer
    x = 28,681.48

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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.