Home / 28,577.36-42,831.48-14,718.80

Finding the Fourth Proportional to 28,577.36, 42,831.48 and 14,718.80

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Solution

The fourth proportional to 28,577.36, 42,831.48 and 14,718.80 is: 22,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.36 : 42,831.48 = 14,718.80 : x
  2. Step 2: Convert to fraction form
    28,577.36/42,831.48 = 14,718.80/x
  3. Step 3: Cross multiply
    28,577.36x = 42,831.48 × 14,718.80
  4. Step 4: Simplify right side
    28,577.36x = 630,427,987.82
  5. Step 5: Solve for x
    x = 630,427,987.82/28,577.36
  6. Step 6: Final answer
    x = 22,060.40

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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.