Home / 26,649.13-39,970.85-14,155.89

Finding the Fourth Proportional to 26,649.13, 39,970.85 and 14,155.89

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Solution

The fourth proportional to 26,649.13, 39,970.85 and 14,155.89 is: 21,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.13 : 39,970.85 = 14,155.89 : x
  2. Step 2: Convert to fraction form
    26,649.13/39,970.85 = 14,155.89/x
  3. Step 3: Cross multiply
    26,649.13x = 39,970.85 × 14,155.89
  4. Step 4: Simplify right side
    26,649.13x = 565,822,955.81
  5. Step 5: Solve for x
    x = 565,822,955.81/26,649.13
  6. Step 6: Final answer
    x = 21,232.32

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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.