Home / 26,710.16-36,820.68-21,026.68

Finding the Fourth Proportional to 26,710.16, 36,820.68 and 21,026.68

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Solution

The fourth proportional to 26,710.16, 36,820.68 and 21,026.68 is: 28,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,710.16 : 36,820.68 = 21,026.68 : x
  2. Step 2: Convert to fraction form
    26,710.16/36,820.68 = 21,026.68/x
  3. Step 3: Cross multiply
    26,710.16x = 36,820.68 × 21,026.68
  4. Step 4: Simplify right side
    26,710.16x = 774,216,655.74
  5. Step 5: Solve for x
    x = 774,216,655.74/26,710.16
  6. Step 6: Final answer
    x = 28,985.85

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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.