Home / 19,280.31-26,607.33-10,782.15

Finding the Fourth Proportional to 19,280.31, 26,607.33 and 10,782.15

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Solution

The fourth proportional to 19,280.31, 26,607.33 and 10,782.15 is: 14,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.31 : 26,607.33 = 10,782.15 : x
  2. Step 2: Convert to fraction form
    19,280.31/26,607.33 = 10,782.15/x
  3. Step 3: Cross multiply
    19,280.31x = 26,607.33 × 10,782.15
  4. Step 4: Simplify right side
    19,280.31x = 286,884,223.16
  5. Step 5: Solve for x
    x = 286,884,223.16/19,280.31
  6. Step 6: Final answer
    x = 14,879.65

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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.