Home / 84,888-127,332-26,520

Finding the Fourth Proportional to 84,888, 127,332 and 26,520

Calculator

Solution

The fourth proportional to 84,888, 127,332 and 26,520 is: 39,780

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888 : 127,332 = 26,520 : x
  2. Step 2: Convert to fraction form
    84,888/127,332 = 26,520/x
  3. Step 3: Cross multiply
    84,888x = 127,332 × 26,520
  4. Step 4: Simplify right side
    84,888x = 3,376,844,640
  5. Step 5: Solve for x
    x = 3,376,844,640/84,888
  6. Step 6: Final answer
    x = 39,780

Related Problems

Find fourth proportional to 42,444, 63,666 and 13,260
Half scale
Find fourth proportional to 169,776, 254,664 and 53,040
Double scale
Find fourth proportional to 84,889, 127,333.50 and 26,521
Similar ratio
Find fourth proportional to 127,332, 190,998 and 39,780
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.