Home / 26,386.80-36,417.90-15,056.28

Finding the Fourth Proportional to 26,386.80, 36,417.90 and 15,056.28

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Solution

The fourth proportional to 26,386.80, 36,417.90 and 15,056.28 is: 20,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.80 : 36,417.90 = 15,056.28 : x
  2. Step 2: Convert to fraction form
    26,386.80/36,417.90 = 15,056.28/x
  3. Step 3: Cross multiply
    26,386.80x = 36,417.90 × 15,056.28
  4. Step 4: Simplify right side
    26,386.80x = 548,318,099.41
  5. Step 5: Solve for x
    x = 548,318,099.41/26,386.80
  6. Step 6: Final answer
    x = 20,780.01

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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.