Home / 26,870.47-37,084.21-15,386.49

Finding the Fourth Proportional to 26,870.47, 37,084.21 and 15,386.49

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Solution

The fourth proportional to 26,870.47, 37,084.21 and 15,386.49 is: 21,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.47 : 37,084.21 = 15,386.49 : x
  2. Step 2: Convert to fraction form
    26,870.47/37,084.21 = 15,386.49/x
  3. Step 3: Cross multiply
    26,870.47x = 37,084.21 × 15,386.49
  4. Step 4: Simplify right side
    26,870.47x = 570,595,787.86
  5. Step 5: Solve for x
    x = 570,595,787.86/26,870.47
  6. Step 6: Final answer
    x = 21,235.05

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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.