Home / 28,341.16-42,490.95-14,294.23

Finding the Fourth Proportional to 28,341.16, 42,490.95 and 14,294.23

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Solution

The fourth proportional to 28,341.16, 42,490.95 and 14,294.23 is: 21,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.16 : 42,490.95 = 14,294.23 : x
  2. Step 2: Convert to fraction form
    28,341.16/42,490.95 = 14,294.23/x
  3. Step 3: Cross multiply
    28,341.16x = 42,490.95 × 14,294.23
  4. Step 4: Simplify right side
    28,341.16x = 607,375,412.22
  5. Step 5: Solve for x
    x = 607,375,412.22/28,341.16
  6. Step 6: Final answer
    x = 21,430.86

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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.