Home / 38,470.19-57,707.71-16,280.64

Finding the Fourth Proportional to 38,470.19, 57,707.71 and 16,280.64

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Solution

The fourth proportional to 38,470.19, 57,707.71 and 16,280.64 is: 24,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.19 : 57,707.71 = 16,280.64 : x
  2. Step 2: Convert to fraction form
    38,470.19/57,707.71 = 16,280.64/x
  3. Step 3: Cross multiply
    38,470.19x = 57,707.71 × 16,280.64
  4. Step 4: Simplify right side
    38,470.19x = 939,518,411.03
  5. Step 5: Solve for x
    x = 939,518,411.03/38,470.19
  6. Step 6: Final answer
    x = 24,421.99

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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.